Louis Garneau - Course Cycling Socks Polyester Feature an ultrathin foot for a super close fit designed to maximize power transfer between the foot and the pedal. The Course socks are stretchy, breathable, moisture wicking, and treated to keep you healthy and clean. Features a slightly compressive double-layered cuff and ultra-breathable mesh. Features anatomical arch and durable, reinforced heels and toes. Reflective dots around the cuff provide extra visibility.