Ankle length 84 percent recycled polyester, 9 percent recycled nylon, 7 percent elastane knit FORMOTION HEAT.RDY. These socks are designed for ultimate comfort and performance, perfect for any athletic activity. The blend of recycled materials ensures a sustainable choice without compromising on quality. Featuring FORMOTION technology for enhanced movement and HEAT.RDY for optimal temperature regulation, these socks keep you cool and dry during intense workouts. The ankle length provides a secure fit and prevents slippage.