The More Mile California Compression Socks assist in providing more oxygen, improved metabolization of lactic acid, and faster recovery so you can return to training quicker than ever. These socks aid in muscle activation and reduction of injury risk. The blend of 62% polypropilen, 29% polyamide, 7% elastodiene, and 2% elastane offers optimized performance, stabilization, and reduced muscle strain during exercise, and a quicker recovery phase post-exercise. Features ventilation channels for a pleasant foot climate.