Adams USA PRO-50-4D 4-Point High Football Chin Strap with D-Rings. The chin cup is made with polycarbonate, a high impact-resistance plastic for max performance. Adjustable nylon straps for comfort and fit. For durability, the Pro Chin Strap is constructed with polycarbonate, a high impact-resistant plastic for maximum performance. The cup is lined with color coated vinyl for player comfort.