North End Sport Blue 88685 Mens City Twill Insulated Jacket with Heat Reflect Technology 100% Polyester Zipper closure INSULATION: 60 gsm in body and 40 gsm in sleeves 100% polyester ottoman, 4.4 oz./yd2/150 gsm LINING: 100% polyester Heat Reflect pongee Heat Reflect lining roll-away hood