Tonal Crew Sock - Moisture-Wicking is designed for reliable performance in team, training, and everyday use. 68.3% polyester/26.8% cotton/2.3% rubber/1.9% nylon/0.7% spandex. 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; Rib leg construction with jersey knit foot and ankle; Breathable knit mesh on upper foot for improved air circulation.