Mammut - Trion 35 - Mountaineering backpack. Material thickness: 840 denier|Material thickness: 210 denier|Sustainability: PFC-free|Carry system: chest strap|Carry system: detachable hip belt|Carry system: breathable shoulder straps|Main compartment access: Toploader|Venting: vents on the back|Additional features: gear loops on hip belt|Additional features: daisy chain|Additional features: pocket on the shoulder strap|Additional features: lid compartment|Additional features: 2 side pockets|Additional features: ice axe/pole holder|Additional features: valuables pocket|Additional features: front zip pocket|Additional features: ski/snowboard carry system|Hydration system: compatible|Volume: 35 l|Reference size: medium size|Extras: compression straps|Sustainability: PFC-free|Volume: 35