Castelli Alpha 18 Sock

The Alpha 18 Sock by Castelli is a high-quality sports sock designed for active individuals. It is made from an innovative blend of PrimaLoft® and merino wool, providing both warmth and breathability. This combination ensures a comfortable fit even during intense activities. A midfoot support band guarantees an optimal fit and stability, while the heel and toe areas are made from durable nylon to enhance the sock's longevity. The 18 cm high shaft offers additional protection and support. Reflective strips on the back increase visibility in low-light conditions, improving safety during outdoor sports. The Alpha 18 Sock is ideal for anyone who values functionality and comfort, making it suitable for both recreational and competitive athletes. With its thoughtful design and high-quality materials, it is a reliable choice for any athletic challenge.