Gordini Women's Aquabloc VIII Mitts Shell: 100% Polyester/Trim: 94% Nylon 6% Spandex/Lining: 100% Polyester/Insulation: 100% Polyester Imported Fingers reinforced with Wrap caps Shell: flex and 3 layer Thermal ply Waterproof, windproof, breathable fabric Insulation: Megaloft Aquabloc ultra breathable, Waterproof, windproof insert Fleece cuff