BLACKHAWK BLACKTRAIL PACK HIGHLIGHTS: • Poly-frame sheet for stability • Padded shoulder straps are made with non-slip HawkTex™ to help keep your rifle sling in place• Bungee retention system allows for the storing of extra layers of clothes • Easily attaches to the BLACKHAWK! BlackOak™ Fanny Pack for the ultimate lightweight system • Emergency whistle attached to front harness strap, plus internal key strap for that spare key• Drink system protected by Microban® antimicrobial technology • 360-degree bite valve and patent pending quick disconnect system • BLACKHAWK! bite valve holster keeps bite valve clean and out of the way• Compatible with BLACKHAWK! in-line water filtration systemHydration Capacity: 100 oz./ 3 liters Pack Dimensions: 19”H x 8.5”W x 3.5”DPack Total Cubes: 765”