The Mizuno Performance OTC Socks with Classic Elastic Belt is a versatile sock and belt combo set perfect for baseball and softball. This set includes 1 pair of Mizuno's next generation Performance OTC socks in your choice of team colors and 1 Classic Elastic Belt in adult sizes to fit waists 26\" - 48\". The Performance OTC socks feature a gripper top and Y-Heel to keep the sock in place while providing a superior fit. They are contoured for comfort with a wide range of team colors to choose from. The Classic Elastic Belt is made of stretchy, durable polyester that ensures a comfortable, conforming fit. It's a great value belt that comes in youth and adult sizes to fit waists 18\" - 48\". This sock and belt combo set is machine washable. The socks have a reinforced toe and are designed for knee length wear. They are made of polyester and designed for athletic wear. The set is unisex and suitable for both youth and adult sizes.