Mammut Lithium 40 Backpack Check our lightest-weight base layer bottoms

our lightest-weight base layer bottoms are perfect for adventures during all seasons

drop-in pockets for your hands or essentials

Base material: 90% Polyamide

heavyweight fleece to keep you cozy and warm on the ski slopes

Body Fabric Made With Organic Cotton

Mammut Lithium 40 Backpack Check our lightest-weight base layer bottomsWhen 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 dont need the hip belt, you can simply remove it. The same applies to the integrated rain cover and the bottom