Outdoor Research Men's Capstone Heated Gloves 100% Other Fibers Imported Waterproof, breathable Breathable, windproof, quick drying Water- resistant leather palm, soft and Tactile leather palm, leather palm overlays, molded EVA foam knuckles 90% Nylon/10% Spandex ALTIHeat battery-powered heat technology with rechargeable Lithium ion, adjustable wrist cinch, pre-curved construction, gloves can operate with 1 or 2 batteries