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 (
First Responder Gear Tactical - Camelbak M.U.L.E. 100OZ MIL SPEC CRUX HYDRATION PACK