Capacity 100 oz (3 L) CamelBak's Storm™ integrates easily with any pack system and most web gear. The Storm also supplies 100 oz.(3 L) of clean water in a lightweight, durable nylon exterior that slips easily into, or attaches to, packs or vests. Includes HydroLink™ Modular Connection System with positive shut-off HydroLock™ Exterior fillport for filling on the go Closed cell insulation and neoprene tube cover keeps water cool or warm for hours Use D-ring attachment points to place unit anywher