The alpine rucksack with variable length is perfectly balanced, moves with you and sits securely, but is less airy. Ideal for cooler temperatures and mountaineering to high altitude/ice tours, including hiking.
Mammut Lithium
20 lColour8
Product details
The Lithium 20 is made mainly from recycled materials and the durable water-repellent finish is PFC-free. The lightweight and breathable shoulder padding ensures a high level of comfort. Air channels in the 3D EVA foam ensure good cooling on the back. The padded hip belt has a fold-out pocket for your smartphone. When you don't need it, simply remove it. The same goes for the integrated rain cover. The rucksack is compatible with hydration systems. The side mesh pockets are also easily accessible while walking. With the Lithium 20, you are in the fast lane in the mountains.
Exact colour description | Dark green, dark marsh-black, dark marsh/black |
Material | 100 D Robic nylon from recycling, 100% polyamide, 100D Nylon Robic recycled, 210 D Nylon Dragon made from recycled material |
Target group | Men, Women |
Backpack type | Day pack, Hiking backpack |
Equipment | Front pocket, Hip belt, Mesh pockets, Rain cover, Shoulder strap |
Volume | 20 l |
Item number | 54203421 |
Manufacturer | Mammut |
Category | Backpacks |
Manufacturer No. | 253003172402941020 |
Release date | 24.1.2025 |
Sales rank in Category Backpacks | 573 of 36783 |
External links |
Colour | Green |
Exact colour description | Dark green, dark marsh-black, dark marsh/black |
Material group | Fabric |
Material | 100 D Robic nylon from recycling, 100% polyamide, 100D Nylon Robic recycled, 210 D Nylon Dragon made from recycled material |
Target group | Men, Women |
Backpack type | Day pack, Hiking backpack |
Equipment | Front pocket, Hip belt, Mesh pockets, Rain cover, Shoulder strap |
Sport | Climbing, Hiking |
Style | Outdoor |
Back system | Contact back |
Country of origin | Vietnam |
Product certificate | bluesign product, Global Recycled Standard |
Manufacturer commitment | Fair wear, SBTi |
CO₂ emissions | 4.1 kg |
Climate contribution | CHF 0.11 |
Scope of delivery | 1 piece |
Volume | 20 l |
Height | 53 cm |
Width | 24 cm |
Depth | 22 cm |
Weight | 740 g |
Length | 56.10 cm |
Width | 33.50 cm |
Height | 11.40 cm |
Weight | 730 g |
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Reviews & Ratings
Warranty score
How often does a product of this brand in the «Backpacks» category have a defect within the first 24 months?
Source: Digitec Galaxus- 47.Herlitz0.4 %
- 47.Johnny Urban0.4 %
- 47.Mammut0.4 %
- 47.Patagonia0.4 %
- 47.reisenthel0.4 %
Warranty case duration
How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Digitec Galaxus- 18.Ortovox5 days
- 20.Cabaia7 days
- 21.Mammut11 days
- 21.Satch11 days
- 21.The Chesterfield Brand11 days
Return rate
How often is a product of this brand in the «Backpacks» category returned?
Source: Digitec Galaxus- 55.Deuter9 %
- 55.Nitro9 %
- 57.Mammut9.1 %
- 58.Samsonite9.2 %
- 59.Cabaia9.3 %







