Large, Brown, At Work ' Guard Socks, Wool Blend Sock To Help Make Your Feet More Comfortable On The Job, Stay Put Leg, Cushioned Shin & Sole, More Comfortable In Higher Boots & Seamless Toe Closure, Happy Feet Year Round, 37% Stretch Nylon, 31% Wool, 31% Acrylic, 1% Spandex, Fits Shoe Sizes Women's 10-13, Men's 9-12.