Castelli Alpha 18 Sock

The Alpha 18 Sock by Castelli is a high-quality running sock designed for comfort and performance while running. It is made from a special blend of PrimaLoft® and merino wool, known for its excellent thermoregulating properties. This combination ensures that the feet stay dry and warm even during intense activities. The sock features a midfoot support band that provides additional stability and reduces the risk of blisters. The heel and toe areas are made from durable nylon, enhancing the sock's longevity. Reflective stripes on the back ensure added visibility in low-light conditions, improving safety when running at dusk or in the dark. With a shaft height of 18 cm, the sock offers optimal protection and comfort during runs.

• Made from a blend of PrimaLoft® and merino wool for optimal temperature regulation
• Midfoot support band for extra stability
• Heel and toe areas made from durable nylon
• Reflective stripes for improved visibility in low-light conditions.