Specification: Material: Nylon, spande Size: one size (39-46) Color: white, blue, black Features: 1. The Y-shaped heel is more fitted to the heel joint and it is not easy to slip off. 2. The tip of the socks is more flat and wear-resistant by using artificial eye-catching technology, which effectively prevents foot friction. 3. Promote blood circulation and prevent possible muscle injuries, slipping injuries, tingling feet, odor in shoes, discomfort caused by improper size, etc., making cycling more efficient. Package includes: 3 pairs x Sports Cycling Socks