Gordini Men's Fall Line III Mitts Shell: 97% Polyester 3% Spandex/Lining: 100% Polyester/Insulation: 100% Polyester Imported Fingers reinforced with Wrap caps Shell: 3 layer Thermal ply Waterproof, windproof, breathable fabric Insulation: Megaloft Aquabloc ultra breathable, Waterproof, windproof insert Gauntlet cinch closure