FEATURES of the Darn Tough Women's Light Hiker 1/4 Lightweight Cushion Sock Moisture Wicking: Your body heats, Merino Wool absorbs moisture before it turns into sweat on your skin, and releases it, leaving you dry Thermoregulating: Natural crimp in wool fiber that provides pockets of insulation- holding and releasing heat dependent on what the body is doing Anti-Microbial: Odor resistance is unique to wool, the chemical structure stops sweat and bacteria build-up, so go ahead and take a whiff All Day Comfort: Silky Merino Wool, high-density knitting, and true seamless toe provide an incredible fit and constant rebound 1/4 Sock Lightweight with cushion Products on Sale are Discontinued Styles or Colors.