Upgrade your sock game with the Boyd Quarter Sock featuring Infiknit technology for a classic, yet durable design. This new edition of Boyd offers a quarter sock style, perfect for all-day comfort and support. Women's quarter sock Hits just above the ankle Deep heel pocket Engineered arch support Seamless toe closure Medium cushioning 77% combed cotton, 16% polyester, 4% nylon, 3% elastane Medium : women's sizes 8-10.5