Capacity 100 oz (3 L) Cargo 1291 CU IN (21.15 L) The H.A.W.G.® 500 carries over 1800 cubic in (29.5L) 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.