Castelli Alpha 18 Sock

The Alpha 18 Sock by Castelli is a high-quality running sock designed for demanding athletes. It combines the benefits of PrimaLoft® and merino wool to ensure optimal temperature regulation and breathability. The midfoot support band provides additional stability, while the heel and toe areas are made from durable nylon, enhancing the sock's longevity. With a shaft height of 18 cm, it offers a secure fit and protects the foot during running. Reflective stripes on the back increase visibility in low light conditions, improving safety during outdoor training. These socks are not only functional but also odor-neutral and provide a sleek fit that supports comfort while running.

• Made from a blend of PrimaLoft® and merino wool for optimal temperature regulation
• Midfoot support band for additional stability
• Heel and toe areas made from durable nylon
• Reflective stripes on the back for increased visibility
• Odor-neutral and breathable properties.