**Restricted to USA and APO/FPO sales** **APO Orders Allow Extra 5-7 Business Days** Universal 15L daypack. The Essential Pack has a zip pocket for small items, while the MOLLE system on the front and sides is used for individual expansion. The backpack is also compatible with a hydration system.FeaturesHeight adjustable chest beltTwo compression straps around the perimeter of the packHand loopHydration system compatibleFlat front pocket with zipperMOLLE system on front and sidesHook-and-loop stripsVolume15 Liters | 915 Cubic InchesDimensions18 x 10 x 5in | 46 x 25 x 12cmWeight20oz | 565gMaterialCORDURAA(R) 700 den