Standard fit half calf socks Fit & Design Full cushion Seamless Toe Stay-up technology helps prevent the socks from falling as you walk Technology Honeycomb arch support cradles your foot for a more comfortable step Additional Details One Purchased = One Donated: For each pair of socks purchased, Bombas donates a pair to those in need Machine wash cold on gentle cycle, only non-chlorine bleach when needed, tumble dry low, do not iron, do not dry clean