Weatherproof Garment Co. Men’s Microfiber Classic Golf Jacket Review Posted on June 2, 2019 by Dimwitch 52% Other Fibers, 48% Polyester Machine Wash Wind resistant Water resistant 52 percent biconstituent fibers(71 percent polyester,29 percent nylon)48 percent polyester Lightweight microfiber,, no fill, lined, shirt collar, elastic cuff and waist