Timber Hawk Rut Buster Backpack, 28.1-Liter Storage, Realtree APX Rugged, feature-rich daypack with 28.1-liter capacity for bow or rifle hunting; two roomy main compartments lined with ultra-quiet, durable twill fabric Convenient padded front stash pocket for quick access gear; stowable waist belt with left and right zippered mesh pockets High density breathable foam padded back and shoulders for comfort; sternum strap with emergency whistle Hydration compatible (reservoir sold separately); Hawkeye detachable bino strap system Measures 19.9 by 11.8 by 6.3 inches and weighs 3.24 pounds; backed by lifetime manufacturers warranty