Lowe Alpine - Airzone Active 18 - Walking backpack. Material thickness: 210 denier|Other material information: HydroShield|Carry system: chest strap|Carry system: with carry handle|Carry system: mesh back|Carry system: breathable shoulder straps|Carry system: hip belt|Venting: 3D mesh back panel|Additional features: valuables pocket|Additional features: trekking pole attachment|Additional features: lid compartment|Additional features: front compartment|Additional features: 2 side mesh compartments|Additional features: key clip|Hydration system: 3 litre hydration system compatible|Rain cover: incl. detachable rain cover|Torso length: 46 cm|Volume: 18 l|Reference size: medium size|Extras: compression straps|Extras: incl. emergency whistle|Volume: 18