The perfect cycling sock. The ASPIRE™ is engineered with firm compression and a thin profile for a responsive feel. Firm compression supports every contour of the foot to reduce fatigue during long rides. The Seven cuff height is a classic crew. Thin profile with light cushion Channeled upper improves breathability Lightweight Olefin fiber wicks moisture and dries quickly 65% Nylon / 29% Olefin / 6% Spandex