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Mammut Lithium 40L backpack

Price without code 165.99

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Features of Mammut Lithium 40L

Product description of Mammut Lithium 40L backpack

Description summary

Conquer demanding trails with the Mammut Lithium 40L, a stalwart companion for challenging hikes. Made primarily from recycled, PFC-free materials, this pack is as sustainable as it is tough. Its V-frame and adjustable back length ensure comfort and optimal load transfer, while a detachable hip belt offers versatility. Stay prepared with an integrated rain cover, trekking pole attachments, and hydration system compatibility. Smart features like a fold-out phone pocket and accessible side pockets make this the ideal flexible pack for any demanding tour

Demanding trails and hikes require stalwart equipment.

The Mammut Lithium 40 backpack is the ideal tool for challenging, diverse trips. 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 40 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 40’s pigments and cover are 100% PFC-free.

The CONTACT™ U suspension system improves load transfer and freedom of movement thanks to its aluminium-made U-frame. 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 40 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. Dual trekking pole carrier keep support at hand.

When you go hiking, you like a challenge. Your backpack needs to pack in quite a bit. The Lithium 40 is made mainly from recycled materials and the durable water-repellent treatment is PFC-free. The back length can be adapted to suit your needs. Anatomically shaped, softly padded hip belt and shoulder straps provide additional comfort. If you don’t need the hip belt, you can simply remove it. The same applies to the integrated rain cover and the bottom compartment with external access. There are secure attachments for trekking poles and an ice axe. You can also use the compression straps to carry equipment. The Lithium 40 is compatible with hydration systems and the mesh side pockets allow access even when walking. A flexible and spacious companion for demanding tours.

Features:

- Suspension system: CONTACT V Frame™
- Cut: Basic
- Detachable, padded hip belt
- Height-adjustable flap with internal and external pockets
- Comfortable thanks to the anatomically shaped, soft padded hip belt and shoulder straps
- large stretch front pocket
- Forward-pull hip belt adjustment
- Lateral compression straps, can also be tensioned at front to carry gear
- Easily adjustable back length
- Integrated, detachable rain cover
- 2 mesh side pockets
- Detachable bottom compartment - can be accessed from outside
- Hydration system-compatible
- V-frame for good load transfer with high freedom of movement
- 2 attachments for ice ax and trekking poles
- Zipper pocket on hip belt
- Gear loops on bottom, e.g. for a mat
- Fold-out cellphone pocket on the hip belt

Specifications:

- Weight: 1430 g
- Actual volume: 40 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.

Technical specifications of Mammut Lithium 40L

  • Capacity

    40 L

  • Weight

    1430 g

  • Torso length

    Easily Adjustable

  • Back panel ventilation

    Yes

  • Material density

    100% Polyamide

  • Rain cover included

    Yes

  • Hydration system compatible

    Yes

  • Hip belt pockets

    Yes

  • Color

    Black

  • Capacity

    31-40 L

  • Gender

    Men

  • Gender

    Women

  • Age

    Adult

  • Recommended Use

    Hiking

  • Structure

    Internal frame

Features of Mammut Lithium 40L

Color Black

Color

Black

Capacity 31-40 L

Capacity

31-40 L

Gender Men

Gender

Men

Women

Women

Age Adult

Age

Adult

Recommended Use Hiking

Recommended Use

Hiking

Structure Internal frame

Structure

Internal frame

Key differentiators

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

Features a CONTACT V Frame™ suspension system for excellent load transfer and freedom of movement.

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

Offers a highly adjustable fit with a customizable back length and a detachable padded hip belt.

Provides versatile storage with a detachable bottom compartment, stretch front pocket, and a fold-out cellphone pocket on the hip belt.

Technology in Mammut Lithium 40L backpack

Energy rating

Warnings

5 / 5

2 Reviews

What our customers are saying about Mammut Lithium 40L backpack

Mammut´s 40L backpack offers excellent performance and quality. Its anatomical design ensures comfort, and its lightweight construction is ideal for backpacking. A simple yet effective solution

Mammut Lithium 40L backpack

Brilliant idea

2025/06/05

Alexander

Simple yet effective solution!

Mammut Lithium 40L backpack

Review

2023/04/24

Marko

Really nice back anathomy, light for 40L, no complaints, just Mammut...

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Include AI Generated questions and answers

2026-09-09

Generated by AI and verified

Mammut Lithium 40L backpack

Is the Mammut Lithium 40L backpack environmentally friendly?

Answer of Generated by AI and verified

Yes, this backpack is designed with sustainability in mind. It is made primarily from recycled materials and features a durable water-repellent treatment that is PFC-free.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Mammut Lithium 40L backpack

Does this backpack come with a rain cover?

Answer of Generated by AI and verified

Yes, the Mammut Lithium 40L backpack includes an integrated 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

Mammut Lithium 40L backpack

What kind of suspension system does the Lithium 40L use?

Answer of Generated by AI and verified

This backpack is equipped with a CONTACT V Frame™ suspension system and a 3D moulded back panel, designed to improve load transfer and provide ventilation.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Mammut Lithium 40L backpack

Is the Mammut Lithium 40L backpack worth buying for outdoor users?

Answer of Generated by AI and verified

The Mammut Lithium 40L backpack is a great choice for outdoor users due to its durable construction and eco-friendly materials. It offers features like an adjustable back length and integrated rain cover, making it versatile for various hiking conditions.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Mammut Lithium 40L backpack

What is the capacity of this backpack?

Answer of Generated by AI and verified

The Mammut Lithium 40L has a volume and capacity of 40 liters.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Mammut Lithium 40L backpack

Is the back length of this pack adjustable?

Answer of Generated by AI and verified

Yes, the back length of the Mammut Lithium 40L is easily adjustable to help you achieve a comfortable and customized fit for optimal load transfer.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Mammut Lithium 40L backpack

What material is the Mammut Lithium 40L made from?

Answer of Generated by AI and verified

The base material of this backpack is 100% Polyamide, chosen for its durability.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Mammut Lithium 40L backpack

Does this backpack have pockets on the hip belt?

Answer of Generated by AI and verified

Yes, it features a hip belt with pockets, including a convenient fold-out pocket for a smartphone.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Mammut Lithium 40L backpack

Is this backpack suitable for hiking?

Answer of Generated by AI and verified

Absolutely. The Mammut Lithium 40L is specifically designed for hiking, featuring trekking pole attachments, hydration system compatibility, and a suspension system built for carrying loads on demanding trails.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Mammut Lithium 40L backpack

Can I use a hydration bladder with this backpack?

Answer of Generated by AI and verified

Yes, this backpack is compatible with hydration systems, making it easy to stay hydrated on the move during your hikes.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Mammut Lithium 40L backpack

Who is this backpack designed for?

Answer of Generated by AI and verified

This is a unisex backpack designed for adults.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Mammut Lithium 40L backpack

How does the Mammut Lithium 40L compare to the Mammut Aenergy 18 Backpack?

Answer of Generated by AI and verified

The Mammut Lithium 40L offers a larger capacity and includes features like a rain cover and hydration compatibility, which the Mammut Aenergy 18 Backpack does not specify.

* Generated by AI based on customer and product data

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Use cases

Multi-Day Hiking & Trekking 95% Fit

With a 40L capacity, this pack is engineered for multi-day trips, offering ample space for gear. The CONTACT V Frame™ suspension system and adjustable torso length provide superior load distribution and a customized fit for carrying heavier loads comfortably over long distances.

40 L capacity,CONTACT V Frame™ suspension system,Easily Adjustable torso length,Internal frame structure

Gear-Intensive Day Hikes 90% Fit

For ambitious day hikes that require extra layers, safety equipment, or specialized gear, the 40L volume provides generous storage. The hydration compatibility and ventilated back panel ensure you stay comfortable and hydrated during strenuous, full-day excursions.

40 L capacity,Hydration compatible,3D moulded back panel,Back panel ventilation

Hut-to-Hut Tours 85% Fit

This pack is a strong choice for hut-to-hut tours where you need to carry personal items, extra clothing, and supplies between overnight stops. The included rain cover and PFC-free DWR treatment offer protection against variable weather conditions often encountered in alpine environments.

40 L capacity,Rain cover included,PFC-free water resistance,Hip belt pockets

Adventuring 80% Fit

For the serious hiker who prioritizes sustainability, this backpack's PFC-free durable water-repellent treatment aligns with environmentally responsible choices. This allows for high-performance hiking without compromising on ecological values.

PFC-free water resistance,Durable polyamide material,Intended for hiking

Best for

Best for Serious Hikers

With its 40L capacity, advanced CONTACT V Frame™ suspension, and easily adjustable torso length, this pack is built for carrying substantial loads comfortably over long distances.

Capacity: 40 L, Suspension system: CONTACT V Frame™, Torso length: Easily Adjustable, Intended use: hiking

Ideal for All-Weather Adventurers

This pack's durable polyamide construction, included rain cover, and PFC-free water-repellent treatment ensure your gear stays protected from the elements.

Material: polyamide, Rain cover included: Yes, Water resistance: PFC-free (durable water-repellent treatment is PFC-free)

Perfect for the Organized Trekker

Features like hydration compatibility and hip belt pockets provide convenient access to water and small items without needing to stop and unpack.

Hydration compatible: yes, Hip belt pockets: Yes

A Top Choice for Trail Users

The pack's durable water-repellent treatment is PFC-free, aligning with the values of users seeking high-performance gear with a reduced environmental footprint.

Water resistance: PFC-free (durable water-repellent treatment is PFC-free)

Benefits

FunctionalCarry Your Gear Comfortably with a Customizable Fit

This backpack offers a generous 40 L capacity, allowing you to carry all your essentials for extended hiking trips. The CONTACT V Frame™ suspension system, internal frame, and easily adjustable torso length work together to provide a stable and personalized fit, ensuring comfort on the trail.

FunctionalHike with Confidence in Changing Conditions

Be prepared for unexpected weather with this backpack's thoughtful features. It includes a rain cover for downpours and features a PFC-free durable water-repellent treatment, all constructed from durable polyamide material.

FunctionalExplore Further with Enhanced Comfort

Designed for hiking, this backpack features a 3D moulded back panel with ventilation to keep you comfortable on long treks. This allows you to move more freely and focus on the adventure ahead.

Ideal buyer profiles

The Dedicated Day Hiker

This individual regularly undertakes long, strenuous day hikes and requires a backpack that can carry all necessary gear without compromising on comfort or mobility. They value a lightweight design, excellent ventilation, and a customizable fit to stay comfortable from dawn till dusk.

The Mammut Lithium 40 offers an ideal balance of capacity and features for demanding day hikes. Its easily adjustable torso length and CONTACT V Frame™ suspension system provide a personalized, stable fit. The 3D moulded back panel with ventilation ensures comfort during intense activity, while the integrated rain cover and PFC-free water-repellent treatment offer protection from unexpected weather. Hydration compatibility allows for easy on-the-go hydration, making it a reliable choice for long days on the trail.

The Overnighter

This hiker enjoys short, overnight trips and is mindful of their environmental impact. They look for gear that is not only functional and durable but also manufactured with sustainable practices. A 40L capacity is perfect for their minimalist overnight setup.

With its PFC-free durable water-repellent (DWR) treatment, the Lithium 40 aligns with their eco-conscious values. The 40L capacity is perfectly sized for minimalist overnight adventures, and the durable polyamide construction ensures longevity. Features like the integrated rain cover and hydration compatibility add practical value for multi-day use.

The Organized Trekker

This person participates in multi-day treks where organization is key to efficiency and enjoyment. They need a backpack that not only distributes weight effectively but also provides easy access to gear through well-placed pockets and compartments.

The Lithium 40 caters to the organized trekker with features like hip belt pockets for quick-access items. The 40L volume provides ample space for multi-day gear, while the CONTACT V Frame™ suspension and internal frame structure ensure the load is carried stably and comfortably. The easily adjustable torso length allows for a fine-tuned fit, crucial for carrying weight over long distances.

Competitive features

The Mammut Lithium 40L is a versatile and feature-rich hiking backpack designed for demanding tours. It stands out in a competitive field with its focus on sustainability and user-centric features.

Where it excels

The Lithium 40L is built for demanding hikes, featuring a V-frame for optimal load transfer and an adjustable back length to customize the fit for enhanced comfort. It comes well-equipped with practical features right out of the box, including an integrated rain cover, trekking pole attachments, and compatibility with hydration systems. Constructed primarily from recycled, PFC-free materials, this pack is a strong choice for the environmentally conscious hiker who doesn't want to compromise on durability.

Consider alternatives if...

Verdict

The Mammut Lithium 40L is an excellent all-around hiking backpack that balances generous capacity with comfort and a comprehensive feature set. Its adjustable suspension, hydration compatibility, and included rain cover make it ready for challenging, multi-day trips. While other packs may offer larger capacities or more minimalist designs, the Lithium 40L's combination of functionality, comfort, and sustainable construction makes it a standout choice for serious hikers.

Specs comparison

Materialpolyamidepolyamidesyntheticpolyamidesyntheticsynthetic
Capacity40 L50 L21-30 L20 L26 L25 L
Hydration CompatibleYesYesYesYesYes-
Intended Usehikinghikinghikinghikinghikinghiking
Department NameLuggage & Bags > BackpacksBackpacksLuggage & Bags > BackpacksLuggage & Bags > BackpacksLuggage & Bags > BackpacksLuggage & Bags
Suspension SystemCONTACT V Frame™CONTACT V Frame™-Snuggle UpSnuggle UpCONTACT
Volume40 L50 L22 L20 L26 L25 L
Back Panel3D moulded back panel-full 270° rear zipper offering complete access to the main compartmentYesventilatedYes
Material Density100% Polyamide100D Nylon Robic recycled-100% Polyamide--
Back Panel VentilationYesYes-YesYesYes
Hydration System CompatibleYesYesYesYesYes-
Torso LengthEasily AdjustableEasily Adjustable-46 cm46 cm-

Specs vs competitors

Materialpolyamidepolyamidenylonnylon, polyester, recycled_materials, elastanepolyestersynthetic
Water ResistancePFC-free---Yes-
Capacity40 L40 L40 L35 L40 L31-40 L
Hydration CompatibleYesYesYesYesYesYes
Intended Usehikinghikinghikinghikinghikinghiking
Department NameLuggage & Bags > BackpacksLuggage & Bags > Backpacks-Luggage & Bags > Backpacks-Luggage & Bags > Backpacks
Suspension SystemCONTACT V Frame™Thermo Mold-System-COVALENT straps--
Volume40 L40 L40 L35 L40 L40 L
Back Panel3D moulded back panelThermo Mold-SystemCOMFORTZONE HOLES SYSTEM3D-moulded back panelAir Draft System-
Material Density100% Polyamide500 DenTex 600 Pu210D-210D
Back Panel VentilationYesYesYesYesAir Draft System-
Hydration System CompatibleYesYesYesYesYesYes
Torso LengthEasily Adjustable--Adjustable--
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