FEATURES:Polyester.Nylon Overlays.Soft touch neoprene.Subtle reflective runs up the forearm.Side entry pockets.Large DirectVent,Ñ¢ forearm zips.Adjustable collar settings combine the adjustable nature of Velcro with the durability of a snap fastener.Velcro arm adjustment.A hook and loop system keep the jacket open and ventilated during hot conditions.