47% Nylon / 23% Merino Wool / 23% Acrylic / 7% Spandex MEDIUM WEIGHT SKI SOCKS, DESIGN FOR WARMTH: The ski sock is designed with special yarns to provide superior warmth and help keep body heat in the sock. The ski socks are a medium thickness to ensure a perfect fit with your ski boot. MERINO WOOL = ANTI-ODOR, MOISTURE WICKING: Merino wool helps not to only to keep your feet at the perfect temperature, but they also give anti-odor odor proprieties to prevent the buildup of stink. The ski socks are also moisture wicking, keeping feet light and dry on the ski slopes. SKI IN STYLE: The bold deer design provides a preppy look and matches with holiday sweaters. They feature classic winter design. OVER THE CALF SKI SOCKS: The ski sock fits over the calf to help protect your legs from discomfort in your ski boot ? knee high. The no-slip cuff at the top of the socks ensures they stay in place without digging in. GUARANTEED FOR LIFE and BUY FROM A TRUSTED AMERICAN COMPANY: At Pure Athlete, we are experts in socks. We are manufacturers of many of the bestselling skiing, hiking, and running socks. Don?? take our word for it, read our customer reviews and try our running socks. We know you will love them or your money back. We back all our products by a 100% satisfaction money back guarantee.