Castelli Entrata 12 Socks The Castelli Entrata 12 Cycling Socks are engineered for cyclists who demand comfort, support, and all-day performance. Made from polypropylene yarns that resist moisture, these socks keep your feet dry while a mix of textured fabrics provides targeted breathability and cushioning. Featuring a supportive midfoot band and a 12 cm cuff height for over ankle coverage, the Entrata 12 Socks deliver a secure, comfortable fit that enhances every ride, whether training or racing.