CamelBak ThermoBak AB Hydration Pack Mil-Spec 100oz Antidote MultiCam Can be worn as a standard hydration system or attached directly to the back of the IOTV or MTV using the CamelBak Direct Armor Attachment System (D.A.A.S.). (Clips sold separately) Reduce the bulk and lighten the load. A low-profile solution that is better suited to fit on the warfighter's back. Uses the CamelBak Mil-Spec 100oz Antidote (Short) Reservoir Lifetime "Got Your Back" Warranty