You cant go wrong with the extraordinary comfort, exceptional fit and lasting durability of a pair of SmartWools Mens Over-The-Calf Boot Socks. Lightweight 60% merino wool/38% nylon/2% elastane blend provides a soft and itch-free feel. Supportive arch braces and Virtually Seamless toes enhance comfort. Performance socks born in Colorado, Made in America, using the finest merino from around the world. Ht: 15. Mens sizes: M(6-8.5), L(9-11.5), XL(12-14.5). Color: Black. Type: Socks.