Swany Womens X-Therm Warm Insulated Mitten Soflon Silky Nylon and Smooth Grain Leathershield Palm SHELL: Soflon Silky Nylon and Smooth Grain Leathershield Palm with PU leather reinforcement INSULATION: Tri-plex Insulation System, Dyna-Therm Lining with Primaloft, Dryfinger Reflection Waterproof Breathable Insert FEATURES: Barrel lock cuff, AquaGuard lock-down zipper, quick release strap, pull loop, Finger channels UTILITY HEAT POCKET: can be used for a heat pack, storing small articles or a vent for cooling off and drying PRE-CURVED CONSTRUCTION: thoughtful features such as pre-curved fingers ensure maximum comfort and dexterity by reducing the stress of bending fingers