Tall motocross socks improve comfort for guards and braces The extra-tall Mach One Knee Brace Socks fold neatly over the top of a knee brace, while the thin, lightweight construction is built for friction absorption and moisture management. Simply pull up the sock, then roll it down over your braces for maximum security. Specifically designed to be worn with knee brace Extra-tall construction designed to be folded over the top of the knee brace Thin, lightweight polyester/spandex construction keeps feet cool and dry Large mesh back panel for enhanced cooling Reinforced heel, toe, and ankle Sock: 57% acrylic / 24% nylon / 19% polyester Leg: 100% polyester SIZING S: Men 9-11 / Women 10-13 M: Men 11-13 / Women 13-15