BLACKHAWK! First Responders Vest Constructed of heavy-duty Nylon mesh for maximum breathability High-quality #10 YKK Vislon zippers and side-release buckles Two large, internal, zippered map pouches Eight utility pouches for Medical supplies and gear S.Make thisr.I.K.Fitted webbing on back for pouch/accessory attachment Constructed of heavy-duty nylon mesh for maximum breathability Compatible with BLACKHAWK! 100 oz. hydration system (not included) Adjustable for length and girth (up to 6 length and 32 girth) Eight utility pouches for medical supplies and gear S.T.R.I.K.E. webbing on back for pouch/accessory attachment