Crew length U.S. shoe size: S fits women's 4.5–7, M fits women's 7.5–9.5 or men's 5.5–7.5, L fits women's 10–11.5 or men's 8–9.5 66% merino wool, 32% nylon, 2% spandex Made in the U.S. Seamless toe construction Guaranteed for life by Darn Tough Do your feet a solid and pick up a pair or two of these solid black wool socks for women. These socks are must-have wardrobe basics because they are comfortable in every kind of weather, won't slip or bunch and come with Darn Tough's famous lifetime guara