Yacht & Smith 6 Pairs Of Mens Premium Quality Cotton Weather Collection Thermal Socks 2% spandex THERMAL SOCKS: Thermo Insulating Keeps Heat Close THICK BOOT SOCKS FOR MEN: Perfect for the winter time to keep your feet warm! BOOT SOCKS FOR MEN: Sock Size 10-13 fits men's shoe size 8-12 MEN BOOT SOCKS: 40% Cotton - 40% Poly - 10% Acrylic 10% Nylon HIKING SOCKS: Buy these socks to wear in boots to stay warm!