Color Block Crew Socks - Moisture-Wicking Compression is designed for reliable performance in training, practice, and team wear. 55% polyester/22% nylon/20% cotton/3% spandex wicking yarn. Key features include Wicks moisture; Calf length; Heel/toe construction; Extra cushioning and support in areas of the foot and ankle that are susceptible to rubbing, impact or injury; Arch compression reduces fatigue and aids circulation; Contrast color stripe on back.