Royal Blue Adult Mizuno Performance Athletic Socks (All Sports: Baseball, Softball, Football, Soccer, Volleyball, Lacrosse) Mizuno Performance Athletic Socks Gripper top keeps sock up. Ankle and arch support. Y heel locks sock into place. Padded footbed with name plate on toe. Sock made of nylon/acrylic/polyester/elastic. All Sports Performance Socks: Baseball, Softball, Football, Soccer, Volleyball, Lacrosse