Bob presents this hydration harness from Condor Outdoor in this Airsoft GI video... "With summer quickly approaching and the need to stay hydrated more important than ever, Condor's newest product the Condor Hydro Harness, will be a very hot product (pun intended!). The Hydro Harness integrates into Condor Outdoor's line of modular chest rigs and provides the means to carry up to a 2.5 liter hydration bladder. It is compatible with models MCR4, MCR5, MCR6, and MCR7 making it the perfect add-on to an already very modular set of vests."