Salomon Advanced Skin Backpack (12 Set) 100% Other Fibers Imported The sensifit construction is based on the concept of comfortably wrapping your body without hindrance or chafing Fabric dries quickly and keeps your body breathing. All potential chafing Zones have been revisited and made smooth Designed so you can reach everything you need on the go, without stopping to think or search. Essential hydration is easily accessible at the front 2 front elastic pockets/1 mobile pocket/2 side zipped pockets/1 Kangaroo pocket/1 internal pocket/1 back main compartment/1 chest pocket 4D bladder insulated sleeve/bladder hanging system/compatible with 1.5L bladder/soft flask included 2 (500Ml/16oz)