From Thule, the Logo AllTrail X 15L Hiking Backpack features:  Constructed with 50% recycled waxed polyester canvas that is 5x stronger and 3x more water-resistant than traditional waxed cotton canvas  Quickly access snacks or keys in the shoulder strap stretch pocket  Stabilize load with adjustable, removable sternum strap and tuck-away hipbelt  Easily secure hiking poles or ice axe on attachment loop  Stay cool on any adventure with a breathable back panel  Keep hydrated with a reservoir sleeve and two side water bottle pockets (hydration reservoir sold separately)  Lash gear to the outside of the pack with side compression straps and daisy chains  Store snacks and small items in zippered lid pocket 600D polyester  Approx. 7.9" x 8.7" x 19.3" Approx. weight 1.2 lbs. Imported.