World's Softest Men's / Women's Low Cut Socks, Pair, Chocolate, Large Ultra-soft acrylic/nylon/spandex/polyester Low cut style is terrific for summer or with tennis-style shoes and loafers. Ribbed top stays up reliably. Comfort toe seam wont rub or chafe. Reinforced heel and toe resist wear & tear. M fits shoe size 5.5-9.5; L fits shoe size 10+