3.4 oz./yd²/115 gsm (US), 5.7 oz./L yd (CA), 100% Polyester microfiber twill; Polyester brushed tricot insulation 2.95 oz. in body and 1.77 oz. in sleeves; Roll-away hood; Thermal retention shockcord at hood and drop back hem; Brushed tricot-lined collar and chin guard; Elasticized cuffs; Centre front auto-lock zipper with reflective toggle; Storm flap with snap closure at bottom; Lower brushed tricot-lined concealed zippered pockets; Audio port access through inside left pocket;