BLACKHAWK! Cutaway Omega Vest Made of durable nylon mesh for maximum breathability External S.T.R.I.K.E. webbing for holster and modular pouch attachment HawkTex on shoulder with S.T.R.I.K.E. webbing Tri-glide shoulder buckles enable a 4" torso length adjustment Large internal pocket on inside back holds hydration reservoirs up to 100 ounces 3-D mesh improves air circulation and reduces heat buildup Padded HawkTex Sniper Shoulder on both sides for a fully ambidextrous vest Heavy-duty #9 YKK zipper and BLACKHAWK! side-release buckles on front closure for fast and secure donning of the vest