Thank God it's Rideday! Çois Cycling Legacy socks are made from PROLEN®YARN Light: the lightest fiber ever created, 50% lighter than cotton. Thermoregulating: has the property to maintain the ideal temperature when in contact with the skin. Dry: the dry layer acts like a “second skin”, it keeps the skin dry and odorless and assures a perfect equilibrium between temperature and relative humidity even in the most extreme conditions. Durable: our socks may go through bad weather, sun, sweat and humidity and maintain color freshness and power even after multiple washing. Ecological: production of our socks doesn’t pollute the environment (water, air, nor soil). No toxic dyes are used. 100% recyclable. Sock height: 20 cm