Metal frame Polycarbonate lens UV Protection Coating coating Only the best blend of style and durability come from Nike products, and their sunglasses are no different. Quality materials and long-wearing comfort are Nike hallmarks. This pair incorporates a lightweight metal frame with wire-core rubberized temples for a secure, customized fit. Soft silicone nosepads are adjustable. Low-profile spring hinges for comfort. High-impact polycarbonate lenses for clarity and durability. Neutral brown Max lenses for all conditions. High quality lenses are distortion-free and provide 100% UV protection.