World's Softest Ragg Knee High Socks 98% Polyester 2% Spandex Non-binding, wide band at the top helps keep the sock in place without binding Low-profile toe seam helps prevent irritation Ultra-soft knit polyester spandex feels great against the skin Textured yarns create the classic look of ragg wool without the itch Shoe Size: Women(5-12), Men(6-11)