HydrX"5,000mm/5,000g/m Shell-durable, Omni-Stretch nylon shell with HydrX Pro laminate Lining" nylon taffeta lining. FXR Dry Vent system-snow proof and moisture resistant chest and side body vent system. Insulation-250g combined F.A.S.T./FXR Thermal Flex insulation value, F.A.S.T. is perforated at vent areas. Durable YKK front zipper and hand pocket zippers. Hd #8 waterproof zippers at chest and side body vents. Adjustable wind skirt. Reflective screens at front and back. Cold stop front placket with hook and loop/snap closure system. Shock-cord adjustable collar. Shock-cord adjustable bottom hem. Removable/adjustable hood. Adjustable cuffs with lycra inner cuff extensions.