Let Darn Tough's Topless socks be your secret weapon in the foot game. The improved No Show design gives the illusion of no socks, with the all-season benefits of their other Merino Wool designs. Whether comfortably rocking the caribbean casual look or giving your run game a targeted boost, Darn Tough's Topless is anything but skimpy. M (8-9.5), L (10-12) or XL (12.5-14.5).