Technical sheet

Unisex

Mammut Lithium 20L backpack

Name: Mammut Lithium 20L backpack
Brand: Mammut
SKU: 138676769
Price: 107.99 EUR
Availability: InStock
Rating: 4 (1 reviews)

Price without code 107.99

RRP:

You save:

Price without subscription

VAT & duties included

1 Reviews

28 Questions

No extra charges at delivery.

Size

Long

What is my size?

My virtual fitting room

Stringing

Unstrung

Tension

18 Kg
19 Kg
20 Kg
21 Kg
22 Kg
23 Kg
24 Kg
25 Kg
26 Kg
27 Kg
28 Kg
29 Kg
30 Kg
31 Kg
32 Kg
33 Kg
34 Kg
35 Kg
36 Kg

To adjust your bindings, type in the following informations:

(Customized items cannot be returned or exchanged)

It´s free!

(Customized items cannot be returned or exchanged)

Single purchase

Add to my pack

You save:

Buy now in 1 click

Back to PC configurator

Buy this product and earn

Color:

Free shipping

dto_trans discount on shipping

Free assembly

Free removal of old appliance (only with Ader)

Your interest-free financing from with Klarna Paypal

Pay in 3, 4, 6 or up to 12 installments

My virtual fitting room

Other colors available

Perfect pairings

Reportar error

Trusted by over 25 million satisfied customers worldwide

Official brand warranty

Quick & easy 30-day return

Features of Mammut Lithium 20L

Product description of Mammut Lithium 20L backpack

Description summary

Shift into high gear on the trail with the MAMMUT Lithium 20. Designed for fast and light hiking, this compact 20L pack is your ultimate mountain companion. Its CONTACT™ suspension system and 3D EVA foam back panel provide exceptional, ventilated comfort. Made sustainably from recycled, PFC-free materials, it´s packed with features: a removable hip belt with a smartphone pocket, an integrated rain cover, trekking pole carrier, and hydration system compatibility. Access essentials on the go with its smart pocket design. Speed and utility in the mountains can only have one supplier

Speed and utility in the mountains can only have one supplier.

The Mammut Lithium 20 backpack is designed for those who want to go light on the trail, always staring forward. Made of high-quality materials and with an impressive number of favourable features up its sleeve, this bag will always be your best option.

Made of high-resistance polyamide, the Lithium 20 also makes use of recycled materials to fulfill the Swiss brand´s sustainability goals. This commitment is endorsed by the Fair Wear Foundation, and the most ecologically conscious hikers will be delighted to know that the Lithium 20’s pigments and cover are 100% PFC-free.

The CONTACT™ suspension system gives you a smooth and light carrying experience thanks to its EVA padded handles and mesh finish. The 3D moulded back panel increases airflow across your back to keep your skin cool and your clothes dry. A removable hipbelt includes a convenient fold-out smartphone pocket.

To keep unpredictable weather away, the Lithium 20 includes an easy-to-use integrated raincover that will keep your belongings dry. Inside, a hydration reservoir compatible sleeve will keep you always on the move. Outside, dual stretch mesh pockets help you carry your essentials without issue. A trekking pole carrier keeps support at hand.

You like to shift up a gear when hiking. Lightweight and compact equipment is a must. The Lithium 20 is made mainly from recycled materials and the durable water-repellent treatment is PFC-free. The very lightweight and breathable shoulder padding makes it feel very comfortable to carry. Air channels in the 3D EVA foam provide good ventilation. The padded hip belt has a fold-out pocket for your smartphone. If you don’t need it, you can simply remove it. The same applies to the integrated rain cover. The backpack is compatible with hydration systems. The mesh side pockets allow access even when walking. With the Lithium 20, you’re traveling in the fast lane in the mountains.

Features:

- Suspension system: CONTACT
- Rain cover: Yes
- Cut: Basic
- Detachable, padded hip belt
- Good back ventilation thanks to 3D EVA foam with air channels
- Trekking pole carrier
- Lateral compression straps
- Super-lightweight, highly breathable EVA shoulder padding
- Forward-pull hip belt adjustment
- Zip pocket with key pocket
- Large front zipper pocket
- Integrated, detachable rain cover
- 2 mesh side pockets
- Main zipper compartment
- Hydration system-compatible
- Zipper pocket on hip belt
- Fold-out cellphone pocket on the hip belt

Specifications:

- Weight: 740 g
- Actual volume: 20 l
- Base material: 100% Polyamide
- Main material: 100% Polyamide

Sustainability:

PFC Free DWR:
- Perfluorinated compounds (PFCs) are practically non-biodegradable. MAMMUT has set the strategic goal of phasing out all PFC-containing product treatments and replacing them with other high-performance alternatives.

Fair Wear:
- Mammut strives to ensure fair and safe working conditions in all factories making its products. To systematically improve working conditions throughout its supply chain, Mammut was the first outdoor brand to join the Fair Wear Foundation.

Specifications

Manual

Technical specifications of Mammut Lithium 20L

Capacity

20 L
Weight

740 g
Back panel ventilation

Yes
Rain cover included

Yes
Hydration system compatible

Yes
Hip belt pockets

Yes
Color

Black
Capacity

11-20 L
Gender

Men
Gender

Women
Age

Adult
Recommended Use

Hiking
Structure

Frameless

Features of Mammut Lithium 20L

Color Black

Color

Black

Capacity 11-20 L

Capacity

11-20 L

Gender Men

Gender

Men

Women

Age Adult

Age

Adult

Recommended Use Hiking

Recommended Use

Hiking

Structure Frameless

Structure

Frameless

Key differentiators

Constructed with recycled materials and a PFC-free durable water-repellent treatment.

CONTACT™ suspension system paired with a 3D EVA foam back panel for superior ventilation and comfort.

Features an integrated, detachable rain cover and is compatible with hydration systems.

Includes a detachable padded hip belt with a fold-out cellphone pocket for convenience.

Lightweight frameless structure with a 20 L capacity, designed for fast hiking.

Technology in Mammut Lithium 20L backpack

Energy rating

Warnings

/ 5

1 Reviews

What our customers are saying about Mammut Lithium 20L backpack

Write your review

Write a review about this product

Review headline

First Name

E-mail

Product rating

Write your review

0 / 1000

The text cannot exceed 1.000 characters.

Your review is too brief! To validate it and receive your CoINNs, please add more details about your experience with the product.

Incorrect please try again You’ve exceeded the allowed number of comments per product for earning CoINNs. Thank you for leaving your feedback!

I have read and accept the conditions contained in the Privacy Policy on processing of my data to manage my query or request

Your feedback is important to us, your review about this product will be revised by our experts and will be published within 5 working days. Please make sure that your review focus on the product and your experience with it, this will help other customers make more confident decisions. For any issues with an order, please contact us.

Tradeinn Retail Services as the data controller will process your data in order to respond to your query or request. You can access, rectify and delete your data, as well as exercise other rights by consulting the additional and detailed information on data protection in our Privacy Policy.

Send

Answer the question

Write your answer

Write your review

0 / 1000

The text cannot exceed 1.000 characters.

Thank you for answering the question and helping other customers, your CoINNs will be credited to your account once the answer is published. You can see the number of CoINNs accumulated on your account. Incorrect please try again

Send

The question has already been answered, thank you very much for trying to help another customer. We will count on you for future questions.

Include AI Generated questions and answers

2026-09-09

Generated by AI and verified

What are the key features of the Mammut Lithium 20l Backpack?

Answer of Generated by AI and verified

The Mammut Lithium 20l is a lightweight hiking backpack featuring a CONTACT™ suspension system with a 3D EVA foam back panel for ventilated comfort. It includes an integrated rain cover, a trekking pole carrier, and is hydration system compatible. For organization, it has multiple pockets, including a large front zipper pocket, two mesh side pockets, and a detachable padded hip belt with a fold-out cellphone pocket.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Is the Mammut Lithium 20l backpack environmentally friendly?

Answer of Generated by AI and verified

Yes, this backpack is designed with sustainability in mind. It is made from recycled materials and features a PFC-free durable water repellent treatment. Mammut's commitment to sustainability is also endorsed by the Fair Wear Foundation.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Who is the Mammut Lithium 20l backpack designed for?

Answer of Generated by AI and verified

This unisex backpack is designed for adults who enjoy fast and light hiking. Its 20-liter capacity and lightweight construction make it ideal for day hikes where speed and mobility are priorities.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Is the Mammut Lithium 20l Backpack worth buying for hiking users?

Answer of Generated by AI and verified

The Mammut Lithium 20l Backpack is ideal for hiking users due to its lightweight design and eco-friendly materials. Its features, such as the CONTACT™ suspension system and integrated rain cover, make it a valuable choice for those who prioritize comfort and sustainability.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

What is the capacity of the Mammut Lithium 20l backpack?

Answer of Generated by AI and verified

The Mammut Lithium 20l backpack has a capacity and volume of 20 liters, making it suitable for day hikes and carrying essential gear.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Does the Mammut Lithium 20l come with a rain cover?

Answer of Generated by AI and verified

Yes, this backpack includes an integrated and detachable rain cover to help keep your belongings dry in wet weather.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

What material is the Mammut Lithium 20l backpack made from?

Answer of Generated by AI and verified

The base material of the Mammut Lithium 20l backpack is 100% Polyamide, chosen for its high resistance. The pack also incorporates recycled materials as part of the brand's sustainability efforts.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

What kind of suspension system does this backpack use?

Answer of Generated by AI and verified

This backpack is equipped with the CONTACT™ suspension system, which features super-lightweight, highly breathable EVA shoulder padding and a 3D EVA foam back panel with air channels for ventilation and comfort.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Is this backpack suitable for carrying trekking poles?

Answer of Generated by AI and verified

Yes, the Mammut Lithium 20l backpack is equipped with a trekking pole carrier, allowing you to securely attach your poles when they are not in use.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Can I use a hydration system with this backpack?

Answer of Generated by AI and verified

Yes, the Mammut Lithium 20l is compatible with hydration systems. It features a sleeve designed to hold a hydration reservoir, allowing for easy access to water while on the move.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Does the hip belt have a pocket for a smartphone?

Answer of Generated by AI and verified

Yes, the detachable padded hip belt includes a convenient fold-out cellphone pocket, providing easy access to your device while on the trail.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

How does the Mammut Lithium 20l compare to the Salewa Alp Mate 26l Backpack?

Answer of Generated by AI and verified

The Mammut Lithium 20l has a capacity of 20 liters, making it a more compact option for fast and light day hikes. In contrast, the Salewa Alp Mate 26l offers a larger capacity of 26 liters, which may be better suited for longer trips requiring more gear. Both are designed for hiking, but your choice depends on how much storage you need.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

What are the main features of the Mammut Lithium 20l Backpack?

Answer of Generated by AI and verified

The Mammut Lithium 20l is a lightweight hiking backpack designed for speed and utility. Key features include a CONTACT™ suspension system, a well-ventilated back panel with 3D EVA foam, an integrated and detachable rain cover, and compatibility with hydration systems. It also has a detachable padded hip belt with a fold-out pocket for a smartphone, a trekking pole carrier, and multiple pockets for organization.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Is the Mammut Lithium 20l backpack made from sustainable materials?

Answer of Generated by AI and verified

Yes, this backpack is designed with sustainability in mind. It is made mainly from recycled polyamide and features a PFC-free durable water-repellent treatment, reducing its environmental impact.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Does this backpack come with a rain cover?

Answer of Generated by AI and verified

Yes, the Mammut Lithium 20l Backpack includes an integrated rain cover. For added flexibility, the rain cover is also detachable.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Is the Mammut Lithium 20l Backpack worth buying for hiking users?

Answer of Generated by AI and verified

The Mammut Lithium 20l Backpack is ideal for hiking users due to its lightweight design, eco-friendly materials, and multiple organizational features.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

What is the capacity of the Mammut Lithium 20l Backpack?

Answer of Generated by AI and verified

This backpack has a capacity and actual volume of 20 liters, making it a compact choice for day hikes and fast-paced mountain activities.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

What material is the Mammut Lithium 20l made of?

Answer of Generated by AI and verified

The main material used for this backpack is polyamide. It also features a PFC-free durable water-repellent treatment for weather resistance.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

How is the back of this backpack ventilated?

Answer of Generated by AI and verified

The Mammut Lithium 20l features a back panel made of 3D EVA foam with integrated air channels. This design, combined with the super-lightweight, highly breathable EVA shoulder padding, provides good back ventilation for enhanced comfort during strenuous activity.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Can I use a hydration system with this backpack?

Answer of Generated by AI and verified

Yes, the Mammut Lithium 20l Backpack is compatible with hydration systems, allowing you to stay hydrated on the go. It also features two mesh side pockets that are accessible while walking.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

What activities is the Mammut Lithium 20l best suited for?

Answer of Generated by AI and verified

This backpack is primarily designed for hiking, especially fast and light excursions. Its lightweight construction, 20-liter capacity, and features like the trekking pole carrier and hydration system compatibility make it an excellent companion for day trips in the mountains.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Can I carry a smartphone securely in this backpack?

Answer of Generated by AI and verified

Yes, the padded hip belt includes a convenient fold-out pocket specifically designed to hold a smartphone, allowing for secure storage and easy access while you're on the move.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Can I attach trekking poles to this backpack?

Answer of Generated by AI and verified

Yes, the Mammut Lithium 20l is equipped with a trekking pole carrier, allowing you to securely attach your poles when they are not in use.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

What is the difference between the Mammut Lithium 20l and the Salewa Ultra Train 18l?

Answer of Generated by AI and verified

The Mammut Lithium 20l has a slightly larger capacity at 20 liters compared to the Salewa Ultra Train's 18 liters. The Lithium 20l also comes with an integrated rain cover and a detachable padded hip belt, features not specified for the Salewa model.

* Generated by AI based on customer and product data

2026-06-27

Generated by AI and verified

Is the Mammut Lithium 20l backpack environmentally friendly?

Answer of Generated by AI and verified

Yes, the Mammut Lithium 20l backpack is designed with sustainability in mind. It is made mainly from recycled materials, and its durable water-repellent treatment is PFC-free, reducing its environmental impact.

* Generated by AI based on customer and product data

2026-06-27

Generated by AI and verified

What are the main organizational features of the Mammut Lithium 20l backpack?

Answer of Generated by AI and verified

The Mammut Lithium 20l backpack offers several organizational features for your gear. It includes a large front zipper pocket, two mesh side pockets that are accessible while walking, a zip pocket on the hip belt, and an additional zip pocket with a key pocket. It also features a fold-out cellphone pocket on the hip belt for secure and easy access.

* Generated by AI based on customer and product data

2026-06-27

Generated by AI and verified

Is the Mammut Lithium 20l backpack hydration compatible?

Answer of Generated by AI and verified

Yes, the Mammut Lithium 20l backpack is compatible with hydration systems, allowing you to easily integrate a hydration bladder for convenient access to water while on the move.

* Generated by AI based on customer and product data

2026-06-27

Generated by AI and verified

Is this backpack suitable for rainy conditions?

Answer of Generated by AI and verified

Yes, this backpack is equipped for wet weather. It includes an integrated and detachable rain cover to protect your belongings from rain. Additionally, the main fabric has a durable water-repellent (PFC-free) treatment.

* Generated by AI based on customer and product data

Write your question

Ask a technical question about this product

Select

Question headline

First Name

E-mail

Write your question

0 / 1000

The text cannot exceed 1.000 characters.

Response from our expert

Incorrect please try again

Thank you for leaving your question about this product. We will reply to you by email as soon as possible. You’ve exceeded the allowed number of comments per product for earning CoINNs.

Still need help? Click “Send” and our expert will review your request again.

I have read and accept the conditions contained in the Privacy Policy on processing of my data to manage my query or request

Frequently bought together

Best sellers

Use cases

Day Hiking 100% Fit

With a 20L capacity, this pack is perfectly sized for single-day excursions, offering a balanced design for carrying essentials without excess bulk. It's a reliable upgrade for regular hikers seeking enhanced comfort and organization on the trail.

20 L capacity,Hydration system compatible,Trekking pole carrier,Integrated, detachable rain cover

Fast-Paced Hiking & Speed Hiking 90% Fit

The frameless structure and super-lightweight EVA shoulder padding provide solid performance for moving quickly. Lateral compression straps and a forward-pull hip belt ensure a stable, secure fit that moves with you during more dynamic activity.

Super-lightweight, highly breathable EVA shoulder padding,Lateral compression straps,Forward-pull hip belt adjustment,3D EVA foam back panel with ventilation

Variable Weather Hiking 85% Fit

This pack is a versatile choice for days when the weather is unpredictable. The integrated and detachable rain cover offers quick protection during downpours, while the PFC-free DWR treatment on the polyamide material provides resistance to light moisture.

Integrated, detachable rain cover,Durable Water Repellent (PFC-free) treatment,Polyamide material

Organized Trail Exploration 80% Fit

For hikers who value organization, this pack offers a great all-rounder solution with multiple dedicated pockets. Features like the fold-out cellphone pocket on the hip belt, mesh side pockets, and a large front zipper pocket allow for easy access to gear on the move.

Fold-out cellphone pocket on the hip belt,Zipper pocket on hip belt,2 mesh side pockets,Large front zipper pocket

Adventuring 75% Fit

For the environmentally aware hiker, this pack represents a responsible choice. Its PFC-free water repellent treatment and affiliation with the Fair Wear Foundation provide a solid option for those looking to minimize their environmental footprint.

PFC-free durable water repellent treatment,Fair Wear Foundation member

Best for

Ideal for Regular Day Hikers

With a versatile 20L capacity, hydration compatibility, and an included rain cover, this pack offers balanced, solid performance for consistent use on the trail.

Based on: capacity: 20 L (Actual volume: 20 l), Hydration compatible: yes, Rain cover included: Yes, Recommended use: hiking

Great for Eco-Conscious Adventurers

This pack aligns with environmental and social values by using a PFC-free durable water repellent treatment and being a Fair Wear Foundation product.

Based on: pfc_free: yes, Fair wear foundation: yes, Adventuring

Best for Organization-Focused Trail Goers

Multiple dedicated pockets, including a large front zipper pocket, a fold-out cellphone pocket on the hip belt, and two mesh side pockets, provide ample storage solutions.

Based on: Organizational Features, Large front zipper pocket: yes, Fold out cellphone pocket on hip belt: yes, Two mesh side pockets: yes

A Solid Choice for All-Weather Hiking

Featuring an integrated, detachable rain cover and a PFC-free water-repellent treatment, this pack is built to protect your gear in changing conditions.

Based on: Weather Resistance & Durability, Rain cover included: Yes, Durable water repellent treatment: PFC-free

Benefits

FunctionalMove Freely with a Comfortable, Ventilated Design

Designed for active hiking, this pack features a 3D EVA foam back panel with ventilation and super-lightweight, highly breathable EVA shoulder padding. This construction allows for comfortable movement and helps you stay cooler, enabling you to explore further on your adventures.

Back panel: 3D EVA foam back panel

Back panel ventilation: Yes

Super lightweight highly breathable eva shoulder padding: yes

Intended use: hiking

FunctionalEquipped for Changing Conditions and Hydration Needs

Stay prepared for whatever the trail brings with thoughtful, integrated features. The pack includes a detachable rain cover for sudden downpours and is compatible with hydration systems, allowing you to stay hydrated without stopping to unpack.

Rain cover included: Yes

Rain cover: yes

Hydration compatible: yes

Hydration system compatible: Yes

FunctionalSecure Your Load for a Stable Hike

This backpack helps you maintain stability on the trail with features designed to secure your load. Lateral compression straps allow you to cinch down the contents, while the forward-pull hip belt adjustment ensures a snug and stable fit as you move.

Lateral compression straps: yes

Forward pull hip belt adjustment: yes

detachable padded hip belt

FunctionalHike with Gear That Reflects Your Values

This product is made with a PFC-free durable water repellent treatment and the brand is a member of the Fair Wear Foundation. Choosing this backpack supports a commitment to more responsible manufacturing practices.

Pfc free: yes

Durable water repellent treatment: PFC-free

Fair wear foundation: yes

Ideal buyer profiles

The Eco-Conscious Day Hiker

This individual seeks out gear that supports their active, outdoor lifestyle while aligning with their environmental values. They prioritize products from brands that demonstrate a commitment to sustainability, such as using PFC-free materials and adhering to fair production standards. For them, a day on the trail is as much about connecting with nature as it is about using equipment that helps protect it.

The Mammut Lithium 20 is an excellent match, featuring a PFC-free durable water repellent treatment and being a product of a Fair Wear Foundation member. Its lightweight construction, breathable shoulder padding, and 20L capacity are perfect for day hikes, while the polyamide material ensures durability. The hydration compatibility and multiple pockets, including a trekking pole carrier, provide the necessary functionality for a full day of exploration.

The Organized Outdoor Adventurer

This buyer values meticulous organization and quick access to their gear during any outdoor activity. They look for backpacks with a smart layout, including specialized pockets for essentials like water bottles, keys, and electronics. For them, an efficient pack design means less time rummaging and more time enjoying the hike.

This pack's design caters directly to the need for organization. It features two mesh side pockets, a large front zipper pocket, a main zipper compartment, and a dedicated zip pocket with a key pocket. The hip belt is particularly functional, offering both a zipper pocket and a fold-out cellphone pocket. The integrated rain cover and hydration system compatibility ensure they are prepared for any situation on the trail.

The Premium-Focused Hiker

This hiker invests in high-quality, feature-rich gear that offers superior comfort and performance. They are willing to pay for advanced features, ergonomic design, and brand reputation. They look for details like specialized suspension systems, ventilated back panels, and thoughtful adjustments that enhance the carrying experience on long or strenuous day hikes.

The Mammut Lithium 20 meets these premium expectations with its CONTACT suspension system, 3D EVA foam back panel with ventilation, and super-lightweight, highly breathable EVA shoulder padding. Details like the forward-pull hip belt adjustment and detachable padded hip belt provide a customized, comfortable fit. The inclusion of a trekking pole carrier and an integrated rain cover further demonstrates the pack's premium, all-inclusive design for the serious hiker.

Competitive features

When choosing a backpack for fast-paced outdoor activities, every detail matters. We've analyzed the Mammut Lithium 20l Backpack against several alternatives to help you understand its specific advantages. This comparison focuses on key features derived from the product data, such as capacity and intended use, to clarify where each pack stands out.

Where it excels

The Mammut Lithium 20l strikes a balance with its 20L capacity, making it a versatile choice for fast and light hiking where you need more space than a minimalist running vest but less bulk than a large daypack. It is equipped with a comprehensive feature set for hiking, including an integrated rain cover, trekking pole carrier, and a removable hip belt with a smartphone pocket, which are not consistently specified across all compared models. Comfort is a key design element, featuring a CONTACT™ suspension system and a 3D EVA foam back panel for ventilation, catering to users on demanding trails.

Consider alternatives if...

If your focus is on ultra-minimalist trail running or short, intense activities, the Deuter Ascender-13l or Camelbak Ultra Pro 7l provide smaller, more compact profiles.

Verdict

The Mammut Lithium 20l Backpack is a well-rounded and feature-rich option specifically designed for fast and light hiking. Its 20-liter capacity is a sweet spot for day-long mountain excursions, offering sufficient space without being cumbersome. Features like the advanced suspension system, integrated rain cover, and hydration compatibility make it a highly functional choice. While other packs may offer larger capacities for extended trips or smaller sizes for pure trail running, the Lithium 20 excels as a versatile, comfortable, and well-equipped hiking companion.

Specs comparison

	Mammut Lithium 20L backpack	Mammut Seon Courier 20l Backpack	Mammut Seon Transporter 15l Backpack	Mammut Neon Light 12l Backpack	Mammut Aenergy 32l Backpack	Mammut Alto 22l Backpack
Material	polyamide	polyamide	polyamide	synthetic	polyamide	polyester
Capacity	20.0 L	20 L	15 L	12 L	32.0 L	22 L
Hydration Compatible	Yes	No	No	Yes	Yes	-
Intended Use	hiking	urban	hiking	hiking	hiking	hiking
Department Name	Luggage & Bags > Backpacks	Luggage & Bags	Luggage & Bags > Backpacks	Luggage & Bags > Backpacks	Luggage & Bags > Backpacks	Luggage & Bags > Backpacks
Suspension System	CONTACT	CONTACT™	CONTACT™	-	Snuggle Up	Snuggle Up
Volume	20 L	20 L	15 L	12 L	32	22 L
Back Panel	3D EVA foam back panel	padded	padded and ventilated	CONTACT back system	Yes	Frameless
Back Panel Ventilation	Yes	Yes	Yes	-	Yes	-
Hydration System Compatible	Yes	No	No	Yes	Yes	-

Specs vs competitors

	Mammut Lithium 20L backpack	Salewa Ultra Train 18l Backpack	Ortovox Traverse Light 20l Backpack	Millet Hiker Air 20l Backpack	Montane Trailblazer Lt 20l Backpack	Ortovox Traverse Pure 20l Backpack
Material	polyamide	synthetic	polyamide	polyamide, recycled_materials, polyester	nylon	polyamide
Capacity	20.0 L	18 L	20.0 L	20.0 L	20 L	20.0 L
Hydration Compatible	Yes	Yes	Yes	Yes	Yes	Yes
Intended Use	hiking	hiking	hiking	hiking	hiking	hiking
Department Name	Luggage & Bags > Backpacks	Backpacks	Luggage & Bags > Backpacks	Luggage & Bags > Backpacks	Luggage & Bags > Backpacks	-
Suspension System	CONTACT	DRY BACK CONTACT	Snuggle Up	Snuggle Up	Snuggle Up	-
Volume	20 L	18 L	20 L	20 L	20 L	20 L
Back Panel	3D EVA foam back panel	Dry Back Contact	Airvent Back System	Frameless Ventilated Back	-	Comfort-Contact Back System
Back Panel Ventilation	Yes	Dry Back Contact	Airvent Back System	Yes	-	Comfort-Contact Back System
Hydration System Compatible	Yes	Yes	Yes	Yes	Yes	Yes