Backpack Running Under Armour Adaptable, is perfect for your hiking in the mountains, it is practical, waterproof and compact !!  This backpack uses a DWR coating to repel water without sacrificing breathability.  Thanks to his bag with zipper and its compressibility can carry it with you and use it when you need it !! Details: 

DWR coating makes the backpack waterproof and breathable Large main compartment with zipper compartment smaller external zippered comfortable handle on top of the backpackshoulder straps adjustable Capacity 23 liters Under Logo Armour printed on the front Fabric: 100% Nylon Dimensions: L 23 x W 32 x H 19 cm