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
20 lOnly 2 pieces in stock at third-party supplier
Colour4
Product details
Do you like to shift into a higher gear while hiking? Then you need lightweight and compact gear. The Lithium 20 is primarily made from recycled materials, and its permanently water-repellent coating is PFC-free. You’ll enjoy high wearing comfort thanks to the particularly lightweight and breathable shoulder padding. Air channels in the 3D EVA foam provide good cooling for your back. The padded hip belt features a fold-out pocket for your smartphone. If you don’t need it, you can simply remove it. The same goes for the integrated rain cover. The backpack is compatible with hydration systems. The side mesh pockets are also easily accessible while on the move. With the Lithium 20, you’ll be on the fast track in the mountains.
Exact colour description | Black, Elder, elderberry-black |
Material | 100% polyamide, 100D polyamide Robic recycled, Polyamide |
Target group | Men, Women |
Backpack type | Hiking backpack |
Equipment | Key holder, Rain cover |
Item number | 66575708 |
Manufacturer | Mammut |
Category | Backpacks |
Manufacturer no. | 2530-03172-1334-1020 |
Release date | 26.1.2026 |
Sales rank in Category Backpacks | 3916 of 35591 |
Colour | Multicoloured, Yellow |
Exact colour description | Black, Elder, elderberry-black |
Material group | Fabric |
Material | 100% polyamide, 100D polyamide Robic recycled, Polyamide |
Target group | Men, Women |
Backpack type | Hiking backpack |
Equipment | Key holder, Rain cover |
Fastener | Drawcord |
Size | One size |
Sport | Hiking |
Style | Outdoor, Sports |
Back system | Contact back |
Back length | One size |
Country of origin | Vietnam |
Sustainability label | bluesign product |
CO₂ emissions | 5.85 kg |
Climate contribution | CHF 0.14 |
Scope of delivery | 1 piece |
Volume | 20 l |
Height | 53 cm |
Width | 24 cm |
Depth | 22 cm |
Weight | 740 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- 37.Johnny Urban0.4 %
- 37.Lenovo0.4 %
- 37.Mammut0.4 %
- 37.Mil-tec0.4 %
- 37.Patagonia0.4 %
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- 16.Deuter4 days
- 18.Ortovox7 days
- 19.Mammut9 days
- 20.Vaude16 days
- 21.Only-Bags.Store24 days
Return rate
How often is a product of this brand in the «Backpacks» category returned?
Source: Digitec Galaxus- 62.Salomon9.3 %
- 63.Cabaia9.4 %
- 64.Mammut9.5 %
- 65.Brooks England9.6 %
- 65.Dakine9.6 %



