Product ID: CE-PT201WS -- Body is made of three breathable layers outer layer is nylon for increased durability middle layer is perforated neoprene providing breathable support and shock bsorption inner layer is soft jersey for lasting comfort. It is made with a tough molded skid cup which is abrasion-resistant and remains durable. The inner splint pad provides added protection and stability. The darts give a close clean fit and lycra binding keeps out dirt and debris. It has a simple and safe closure system for easy on and off application.