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 high-tech urban-inspired design is crafted from scratch and impact resistant acetate featuring laser etched shoe tread accents on temple tips. Nike exclusive durable and lightweight seven-barrel stainless steel hinges. High-impact polycarbonate lenses for clarity and durability. High-tech Nike Maxadapt photochromic lenses adjust automatically to ambient light conditions. High quality lenses are distortion-free and provide 100% UV protection.