The Castelli Racing Stripe 18 Socks are made from luxuriously cosy but breathable merino wool.They'll help to regulate the temperature of your feet as you ride, and when the going gets intense, will deliver moisture to the outside of the material where it can evaporate easily. A reinforced heel and toe ensure these useful cycling socks will outlast the others in your kit bag.Features:Merino wool blend cycling socksFull-length warmth, wicking and breathability18cm cuffHeel and toe reinforced with nylon