The best water-supply system for shorter excursions, the CamelBak Ambush Hydration Pack optimizes the user's back with a wider platform, shorter torso and reduced stack height. 100-oz. Mil Spec Antidote™ Reservoir with Quick Link™ exit port and HydroLock™ Bite-valve adapter, which clicks off for faster refilling with auto shut-off and secure sealing. Strong 500-denier Cordura® nylon fabric. Imported. Colors: Black, Coyote.