80% Merino Wool, 15% Polyester, 4% Nylon, 1% Spandex Machine Wash ADVANCED DURABLE DESIGN – With reinforced yarn in the heel and toe for increased durability and a fully cushioned footbed for additional comfort plus performance, these wool socks for men and women have specially engineered arch compression reinforcement for full-motion support, stability, and greater balance to prevent any slipping or sliding while you are out and about! ULTRA SOFT AND COZY The perfect socks for men and women who value comfort and warmth, these merino wool socks will keep your toes warm without causing itchy feelings against the skin. They also feature a reinforced toe and heel that ensures the long lasting durability of the socks STRONG, DURABLE FIBERS These boot socks for women and men also make great hiking socks not only because of their ability to trap in warmth but because of their ultra strong composition of 80% merino wool, 15% polyester, 4% nylon and 1% spandex. Small-Medium Fits Shoe size Men 5-9.5 Women 6-10.5. Medium-Large Fits Shoe size Men 9.5-14 Women 11-15 ITCH FREE COMFORT Avoid the usual itchiness that wool socks often bring with these special wool socks. Women and men alike can enjoy the warmth and softness their feet need through winter socks with 80% merino wool composition BREATHABLE MATERIAL When wearing these socks, women and men alike can keep their feet dry and comfortable thanks to the moisture wicking capabilities of these cozy socks that also feature mesh ventilation channels designed to improve upon the airflow the socks allow