The Under Armour All Sport Performance Crew Socks are designed with the athlete in mind. Features include: Signature moisture transport wicks perspiration for quick evaporation; Strategic ventilation wicks moisture and accelerates evaporation. Embedded arch support reduces foot fatigue. ArmourBlock helps prevent growth of odor causing bacteria in the sock. Fabric construction: 90% polyester 8% nylon 2% spandex. Check out all of our lacrosse socks today.