CamelBak: Fits CRUX Ambush, ArmorBak, ThermoBak 3L S FeaturesRapid open and close of wide-mouth opening for easy filling and cleaning.Ergonomic handle for one-hand fill.Antimicrobial technology inhibits the growth of bacteria on the reservoir and tube surfaces.Manual Shut-off Valve.Quick Link modular connectors. Specifications   User Group: Unisex   BPA/BPS/BPF Free: true   Dimensions: 23.9 x 36.5 x 3.5 CM / 9.4 x 14.4 x 1.4 INCargo Volume: NA  Pack Weight: 0.2 8kg/9.6 oz Hydration Capacity: 3L/100 oz