Camelbak Ambush AB 500, Thermobak AB, and Linchpin Tactical Hydration Packs/Reservoirs with Direct Armor Attachment System (D.A.A.S.): Strap your tactical hydration directly to your tactical armor plate carrier/tactical vest system! – DefenseReview.com (
CamelBak M.U.L.E 3L Military Spec CRUX Hydration Pack by CamelBak (MULE -3L-Mil-CRUX)