Technical sheet

Unisex

Mammut Lithium 20L backpack

Name: Mammut Lithium 20L backpack
Brand: Mammut
SKU: 141856724
Price: 107.99 EUR
Availability: InStock
Rating: 4 (1 reviews)

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1 Reviews

36 Questions

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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

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:

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

Specifications:

- Main material: 100% Polyamide
- Base material: 100% Polyamide

Activities:
- Hiking: 6/6
- Via Ferrata: 5/6
- Everyday: 4/6

Dimensions:
- Actual volume: 20 l
- Length: 22.00 cm
- Height: 53.00 cm
- Width: 24.00 cm
- Weight [g]: 740 g

Technology:

Bluesign® Product:
- The bluesign® SYSTEM is a solution for sustainable textile production that eliminates the use of harmful substances. bluesign® PRODUCTS guarantee a responsible use of resources with a minimum impact on people and the environment.

PFC-free DWR:
- Perfluorinated compounds (PFCs) are often used for waterproofing but are practically non-biodegradable. Mammut is committed to replacing non-biodegradable fabric treatments with more sustainable high-performance alternatives.

Recycled:
- This product contains recycled materials with uncompromised performance and functionality. Choosing recycled materials reduces the use of virgin resources and helps promote a more circular economy.

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

Green
Capacity

11-20 L
Gender

Men
Gender

Women
Age

Adult
Recommended Use

Hiking
Structure

Frameless

Features of Mammut Lithium 20L

Color Green

Color

Green

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

Comes with an integrated, detachable rain cover for added weather protection.

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

Hydration system compatible for on-the-go access to water.

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

Made primarily from recycled materials with a PFC-free durable water-repellent (DWR) treatment.

Technology in Mammut Lithium 20L backpack

Energy rating

Warnings

/ 5

1 Reviews

What our customers are saying about Mammut Lithium 20L backpack

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Include AI Generated questions and answers

2026-09-25

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 comfort. Key features include a ventilated back panel with 3D EVA foam, super-lightweight EVA shoulder padding, and a detachable padded hip belt with a smartphone pocket. It also comes with an integrated, detachable rain cover, a trekking pole carrier, and is compatible with hydration systems. The pack is constructed mainly from recycled materials and has a PFC-free durable water-repellent treatment.

* Generated by AI based on customer and product data

2026-09-25

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 mainly from recycled materials, and its durable water-repellent treatment is PFC-free.

* Generated by AI based on customer and product data

2026-09-25

Generated by AI and verified

Does this backpack include a rain cover?

Answer of Generated by AI and verified

Yes, the Mammut Lithium 20l backpack includes an integrated rain cover that is also detachable if you don't need it.

* Generated by AI based on customer and product data

2026-09-25

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 designed for hiking users who value lightweight and compact gear. Its features, such as a detachable rain cover and hydration system compatibility, make it a practical choice for active adventurers.

* Generated by AI based on customer and product data

2026-09-25

Generated by AI and verified

What is the capacity of the Mammut Lithium backpack?

Answer of Generated by AI and verified

This backpack has a capacity and volume of 20 liters, making it ideal for day hikes and carrying essential gear.

* Generated by AI based on customer and product data

2026-09-25

Generated by AI and verified

What material is the Mammut Lithium 20l made from?

Answer of Generated by AI and verified

The main material used for this backpack is Polyamide, which is known for its durability. The pack is also made mainly from recycled materials.

* Generated by AI based on customer and product data

2026-09-25

Generated by AI and verified

How is the back of this pack ventilated?

Answer of Generated by AI and verified

The backpack features a back panel made of 3D EVA foam with integrated air channels. This design, part of the CONTACT™ suspension system, provides good ventilation to help keep you comfortable on the trail.

* Generated by AI based on customer and product data

2026-09-25

Generated by AI and verified

Is the hip belt on this backpack removable?

Answer of Generated by AI and verified

Yes, the padded hip belt on the Lithium 20l is detachable. You can remove it if you don't need it for a particular outing.

* Generated by AI based on customer and product data

2026-09-25

Generated by AI and verified

What is the material used in the Mammut Lithium 20l Backpack?

Answer of Generated by AI and verified

The Mammut Lithium 20l Backpack is made from polyamide, known for its durability and lightweight properties.

* Generated by AI based on customer and product data

2026-09-25

Generated by AI and verified

Is this backpack suitable for carrying a hydration bladder?

Answer of Generated by AI and verified

Yes, the Mammut Lithium 20l is compatible with hydration systems, allowing you to easily integrate a hydration bladder for staying hydrated on the move.

* Generated by AI based on customer and product data

2026-09-25

Generated by AI and verified

Can I carry trekking poles with this backpack?

Answer of Generated by AI and verified

Yes, this backpack is equipped with a dedicated trekking pole carrier for convenient storage when your poles are not in use.

* Generated by AI based on customer and product data

2026-09-25

Generated by AI and verified

What kind of activities is the Lithium 20l best for?

Answer of Generated by AI and verified

This backpack is primarily designed for fast and light hiking. It is also well-suited for more technical routes like via ferrata and can be used as a versatile pack for everyday activities.

* Generated by AI based on customer and product data

2026-09-17

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 polyamide and features a PFC-free durable water repellent treatment. Additionally, Mammut is a Fair Wear Foundation member, reflecting a commitment to sustainable and ethical production.

* Generated by AI based on customer and product data

2026-09-17

Generated by AI and verified

What are the main comfort features of the Lithium 20 backpack?

Answer of Generated by AI and verified

The Mammut Lithium 20 is designed for comfort on the trail. It features the CONTACT™ suspension system, a 3D EVA foam back panel for ventilation, and super-lightweight, highly breathable EVA shoulder padding to ensure a comfortable carry during your hike.

* Generated by AI based on customer and product data

2026-09-17

Generated by AI and verified

What kind of storage and organization does the Lithium 20 offer?

Answer of Generated by AI and verified

The Lithium 20 provides several organizational features. It has a main zipper compartment, a large front zipper pocket, two mesh side pockets, and a zip pocket with a key pocket. The hip belt also includes a zipper pocket and a fold-out cellphone pocket for easy access to small essentials.

* Generated by AI based on customer and product data

2026-09-17

Generated by AI and verified

Is the Mammut Lithium 20l backpack worth the investment for hiking users?

Answer of Generated by AI and verified

The Mammut Lithium 20l backpack is designed with features like a CONTACT suspension system and a 3D EVA foam back panel, making it a valuable choice for hiking users seeking comfort and utility.

* Generated by AI based on customer and product data

2026-09-17

Generated by AI and verified

Does the Mammut Lithium 20l backpack 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 gear dry in wet weather.

* Generated by AI based on customer and product data

2026-09-17

Generated by AI and verified

Is the Mammut Lithium 20l compatible with hydration systems?

Answer of Generated by AI and verified

Yes, the Mammut Lithium 20l is compatible with hydration systems, allowing you to stay hydrated on the move.

* Generated by AI based on customer and product data

2026-09-17

Generated by AI and verified

What is the capacity of the Mammut Lithium backpack?

Answer of Generated by AI and verified

This backpack has a capacity and volume of 20 liters, making it ideal for day hikes where you need to carry essentials like water, snacks, and extra layers.

* Generated by AI based on customer and product data

2026-09-17

Generated by AI and verified

Can I carry trekking poles with this backpack?

Answer of Generated by AI and verified

Yes, the Mammut Lithium 20l is equipped with a trekking pole carrier for convenient storage when your poles are not in use.

* Generated by AI based on customer and product data

2026-09-17

Generated by AI and verified

Is the hip belt on the Lithium 20 removable?

Answer of Generated by AI and verified

Yes, the padded hip belt on this backpack is detachable, giving you the option to remove it for a more streamlined pack when desired.

* Generated by AI based on customer and product data

2026-09-17

Generated by AI and verified

Is this backpack suitable for fast-paced hiking?

Answer of Generated by AI and verified

Yes, the Mammut Lithium 20l is specifically designed for fast and light hiking. Its compact size, lightweight construction, and features like the breathable back panel and hydration compatibility make it an excellent choice for moving quickly on the trail.

* Generated by AI based on customer and product data

2026-09-17

Generated by AI and verified

Can I use the Mammut Lithium 20 for general travel or commuting?

Answer of Generated by AI and verified

While the Lithium 20 is optimized for hiking with features like a trekking pole carrier and hydration compatibility, its 20L capacity and multiple pockets can also make it a versatile option for general day use or travel if you prefer a technical-style pack.

* Generated by AI based on customer and product data

2026-09-17

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 20 is specifically noted for its CONTACT™ suspension system, 3D EVA foam back panel for ventilation, and an integrated rain cover, making it well-suited for varied hiking conditions.

* 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 featuring a CONTACT™ suspension system with a 3D EVA foam back panel for ventilation. It includes an integrated and detachable rain cover, a trekking pole carrier, and is compatible with hydration systems. 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 smartphone 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, the backpack is designed with sustainability in mind. It is made mainly from recycled materials, and its durable water-repellent treatment is PFC-free.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

What kind of ventilation does this backpack offer?

Answer of Generated by AI and verified

The backpack provides good back ventilation through its 3D EVA foam back panel, which features air channels. The shoulder padding is also super-lightweight and highly breathable for enhanced comfort.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Can I carry my smartphone securely in this pack?

Answer of Generated by AI and verified

Yes, the padded hip belt features a 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

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

Answer of Generated by AI and verified

The Mammut Lithium 20l Backpack is designed for fast and light hiking, offering features like a 20L capacity, a detachable hip belt, and hydration system compatibility, making it a valuable choice for hiking users.

* 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 backpack?

Answer of Generated by AI and verified

This backpack has a volume of 20 liters, making it a compact option 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

Is a rain cover included with this backpack?

Answer of Generated by AI and verified

Yes, the Mammut Lithium 20l comes with an integrated and detachable rain cover to protect your gear in wet conditions.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Is this backpack compatible with hydration systems?

Answer of Generated by AI and verified

Yes, the Lithium 20l is designed to be compatible with hydration systems, allowing you to stay hydrated on the trail.

* 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 from?

Answer of Generated by AI and verified

The main material used for this backpack is polyamide, which is known for its durability. The water-repellent treatment is PFC-free.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Is the Mammut Lithium 20l suitable for fast hiking?

Answer of Generated by AI and verified

Yes, this backpack is specifically designed for fast and light hiking. Its lightweight construction, breathable shoulder padding, and compact 20L size make it ideal for moving quickly in the mountains.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Can I detach the hip belt on the Lithium 20l?

Answer of Generated by AI and verified

Yes, the padded hip belt is detachable. You can remove it if you don't need it, which can be useful for reducing weight or for less demanding activities.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

How does the Mammut Lithium 20l Backpack compare to the Mammut Alto 18l Backpack?

Answer of Generated by AI and verified

The Mammut Lithium 20l Backpack offers a larger capacity at 20L compared to the Mammut Alto 18l Backpack, making it suitable for longer hikes where extra space is needed.

* Generated by AI based on customer and product data

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Frequently bought together

Best sellers

Use cases

Fast-Paced Day Hiking 100% Fit

With a 20L capacity, this pack is sized for carrying essential gear on single-day hikes. Its hydration system compatibility and ventilated back panel are engineered for high-output activity and sustained comfort on the trail.

20 L capacity,Hydration system compatible,3D EVA foam back panel with air channels,PFC-free durable water-repellent (DWR) treatment

Technical Scrambling & Ridge Traverses 80% Fit

The frameless structure and compact 20L volume offer excellent freedom of movement for dynamic activities like scrambling. Ventilated shoulder padding and a secure hip belt ensure the pack stays stable and comfortable during technical maneuvers.

Frameless structure,Back panel with 3D EVA foam and air channels,Hip belt with pockets,Made from durable polyamide

All-Weather Hiking 90% Fit

This pack is prepared for unpredictable mountain weather, featuring a PFC-free durable water-repellent treatment and an included rain cover for heavier downpours. These features ensure your gear stays dry, allowing for confident hiking in mixed conditions.

Integrated rain cover,PFC-free durable water-repellent (DWR) treatment,Durable polyamide material

Hydration-Focused Trail Outings 100% Fit

Engineered for athletes who prioritize hydration, this pack is fully compatible with hydration systems. This allows for easy, on-the-go access to water, which is essential for maintaining performance during strenuous hikes or trail runs.

Hydration system compatible,Ventilated back panel and shoulder straps,Hip belt pockets for easy access to small items

Outdoor Adventures 80% Fit

For the environmentally aware hiker, this pack's PFC-free durable water-repellent treatment offers effective weather protection without the use of persistent chemicals. This makes it a more sustainable choice for enjoying the outdoors.

PFC-free durable water-repellent (DWR) treatment,Durable polyamide construction for longevity

Best for

Best for Performance-Focused Hikers

This pack is built for demanding hikes with its hydration compatibility, ventilated 3D EVA foam back panel, and durable polyamide construction.

Based on: intended_use: hiking, Hydration compatible: yes, Back panel: 3D EVA foam, Material: polyamide

Ideal for Eco-Conscious Adventurers

With its PFC-free durable water-repellent treatment, this backpack offers weather protection while minimizing environmental impact.

Based on: Adventuring

A Top Choice for All-Weather Trekkers

This backpack features a PFC-free durable water-repellent treatment and includes an integrated rain cover for comprehensive protection from the elements.

Based on: Weather Resistance & Durability

Benefits

FunctionalHike Confidently in Unpredictable Weather

This backpack is prepared for changing conditions with a PFC-free durable water-repellent treatment. For heavier downpours, an included rain cover provides an extra layer of protection, ensuring your gear stays dry.

Rain cover included: yes

FunctionalStay Hydrated and Comfortable on the Trail

Designed for hiking, this pack supports continuous movement with its hydration system compatibility, allowing for easy on-the-go access to water. The back panel features 3D EVA foam and ventilation, enhancing comfort during active exploration.

Intended use: hiking

Hydration compatible: yes

Back panel: 3D EVA foam

Back panel ventilation: Yes

Ideal buyer profiles

The Eco-Conscious Day Hiker

This hiker prioritizes environmental responsibility alongside performance for their day trips. They look for gear that is effective, comfortable, and made with sustainable practices in mind.

This backpack is an excellent choice due to its PFC-free durable water-repellent treatment, aligning with a commitment to eco-friendly gear. The 20L capacity is ideal for day hikes, while the ventilated 3D EVA foam back panel and frameless design provide comfort and mobility on the trail.

The Active Explorer

This individual leads an active lifestyle and needs a versatile backpack for various outdoor activities, primarily focused on hiking. They value features that support mobility, hydration, and protection from the elements.

With its hydration system compatibility, this pack keeps the Active Explorer hydrated on the move. The included rain cover and water-repellent treatment offer reliable weather protection, while the 20L volume is perfectly sized for carrying essentials without being cumbersome during dynamic activities.

The Organized Adventurer

This person enjoys being prepared for any situation on their hikes. They appreciate thoughtful organizational features that allow for easy access to gear, snacks, and essentials without having to stop and unpack.

The Mammut Lithium 20 features convenient hip belt pockets, allowing for quick access to small items. Its durable polyamide construction ensures it can handle regular use, and the 3D EVA foam back panel provides comfortable support for a well-organized load on any day-long adventure.

Competitive features

When evaluating the Mammut Lithium 20l Backpack against other options, its focus on lightweight performance and specific features for fast hiking becomes clear. While many competitors offer larger capacities, the Lithium 20l prioritizes a compact, feature-rich design for day trips where speed and comfort are key.

Where it excels

The Lithium 20l is engineered for fast and light hiking, featuring a CONTACT™ suspension system and a 3D EVA foam back panel for superior ventilation and comfort during high-exertion activities. It includes thoughtful features often missing in similarly sized packs, such as an integrated rain cover, a removable hip belt with a smartphone pocket, and trekking pole carriers, enhancing its utility on the trail. Constructed primarily from recycled materials with a PFC-free water-repellent treatment, this backpack appeals to environmentally conscious hikers without compromising on performance.

Consider alternatives if...

Verdict

The Mammut Lithium 20l Backpack is an excellent choice for dedicated day hikers who prioritize speed, comfort, and organization. Its specialized features like the advanced suspension system, integrated rain cover, and hydration compatibility make it a standout performer for its intended use. However, for those needing to carry more gear for longer excursions, larger-capacity alternatives would be more suitable.

Specs comparison

	Mammut Lithium 20L backpack	Mammut Seon Courier 20l Backpack	Mammut Seon Transporter 15l Backpack	Mammut Aenergy 32l Backpack	Mammut Nirvana 22l Backpack	Mammut Lithium 25l Backpack
Material	polyamide	polyamide	polyamide	polyamide	synthetic	polyamide
Water Resistance	PFC-free durable water-repellent treatment	water-repellent	water-repellent	-	-	-
Capacity	20.0 L	20 L	15 L	32.0 L	21-30 L	25.0 L
Hydration Compatible	Yes	No	No	Yes	Yes	Yes
Intended Use	hiking	urban	hiking	hiking	hiking	hiking
Suspension System	CONTACT™	CONTACT™	CONTACT™	Snuggle Up	-	-
Volume	20 L	20 L	15 L	32	22 L	25 L
Back Panel	3D EVA foam	padded	padded and ventilated	Yes	full 270° rear zipper offering complete access to the main compartment	3D EVA foam
Rain Cover Included	Yes	-	No	No	-	Yes
Hip Belt Pockets	Yes	No	No	Yes	Yes	Yes
Structure	Frameless	Frameless	Frameless	frameless	Internal frame	Frameless
Back Panel Ventilation	Yes	Yes	Yes	Yes	-	Yes
Hydration System Compatible	Yes	No	No	Yes	Yes	Yes

Specs vs competitors

	Mammut Lithium 20L backpack	Montane Trailblazer 25l Backpack	Ortovox Traverse Light 20l Backpack	Millet Hiker Air 20l Backpack	Millet Gravic 20l Backpack	Ortovox Traverse Pure 20l Backpack
Material	polyamide	recycled materials	polyamide	polyamide, recycled_materials, polyester	recycled_materials, polyester	polyamide
Water Resistance	PFC-free durable water-repellent treatment	-	-	Waterproofness:1 000 mm	Waterproofness: 1 000 mm	-
Capacity	20.0 L	25.0 L	20.0 L	20.0 L	20.0 L	20.0 L
Hydration Compatible	Yes	Yes	Yes	Yes	Yes	Yes
Intended Use	hiking	hiking	hiking	hiking	hiking	hiking
Suspension System	CONTACT™	-	Snuggle Up	Snuggle Up	Internal frame	-
Volume	20 L	25 L	20 L	20 L	20 L	20 L
Back Panel	3D EVA foam	Contact Open Mesh	Airvent Back System	Frameless Ventilated Back	Yes	Comfort-Contact Back System
Rain Cover Included	Yes	No	-	-	Yes	Yes
Hip Belt Pockets	Yes	Yes	No	-	Yes	Yes
Structure	Frameless	Internal frame	frameless	Frameless	-	Frameless
Back Panel Ventilation	Yes	Contact Open Mesh	Airvent Back System	Yes	Yes	Comfort-Contact Back System
Hydration System Compatible	Yes	Yes	Yes	Yes	Yes	Yes