Gender : Any Age Range : Adult Stock Advice : Store your bag in a dry place. Composition : Polyamide / Polyester. Ventilation : "Air Cooling" certified backpacks are subjected to a laboratory test that measures the carrying system's ventilation effectiveness A heated and perspiring mannequin is used to scientifically and objectively measure how well the pack limits perspiration. This label is only given to packs that perform significantly better than a "basic" model in the range (without any particular cooling system). We also compare them with other products on the market. Care Instructions : To ensure materials retain their properties (especially waterproofing), we recommend you do not machine wash, tumble dry, dry clean, or bleach your backpack. Do not iron. To clean your backpack by hand, use warm soapy water and a brush if needed. After a few years of use, you should renew the water repellent properties of the fabric using a waterproofing spray. Easy storage : Pockets: 3 ext, 1 int, 2 belt. Pole/ice axe loops. Access via base, compartments.