Sealskinz Men's Extreme Cold Weather Insulation Glove Nylon / Spandex A heavy duty, no compromise design that delivers warmth and flexibility you can rely on for adventuring in the most extreme conditions Totally waterproof, breathable and windproof All over insulation & full length gaiter cuffs for added weather protection Pre-curved fingers & knuckle feature designed to allow freedom of movement Material composition: Outer Shell: 90% Nylon 10% Spandex; Micro-pourous Membrane; Inner: 100% Polyester