Mountaineering Materials: Main: 100% polyester fiber Palm: 100% goat leather Filling: 100% Polyester Built-in high-breathability waterproof liner for waterproof, windproof, and breathable protection. Goat leather on the palm exterior and back of hand with embossed reinforcement for abrasion resistance and grip. Specialised anti-slip cotton on the palm interior provides excellent grip for high-altitude operations. PrimaLoft insulation on the back of hand cushions impacts and provides effective warmth. Thumb design for wiping goggles, easily clearing lens fog and water droplets. Pairing clip buckle design for easy storage and loss prevention. Curved finger design keeps fingers in a natural, relaxed state when worn. Single-piece cuff for lightweight, flexible wear. Sizes: S/M/L/XL Technology: PrimaLoft, Polartec