Capacity - 100 oz (3 L) Cargo - 1291 CU IN (21.15 L) The H.A.W.G. 500 carries over 1400 cubic in (24L) of your essential gear and hydration on an independent suspension harness and updated Air Director Back Panel that carries the load comfortably. Lightweight 500D provides a lighter weight solution at 35% lighter than 1000 denier Cordura. Fleece-lined glasses, goggles, and NVG pocket with external access. Noiseless zipper pulls. ASIPS antenna ports allow for antennae of all sizes.