Simple and bold, they're red carpet-ready, but casual enough for outdoor chilling. Just be sure to take them off when you lie down for bed! 100% UVA / UVB Protection All OTIS fixed-tint lenses block 100% of harmful UVA, UVB and HEV light to provide superior protection from solar damage causing intraocular melanoma and macular degeneration, as well as reducing eye fatigue and reducing the visible signs of aging, while maintaining true color and depth perception. TR90 Grilamid Frames High performance and low weight ratio. TR90’s high-performance property profile and processability makes it an ideal optical engineering plastic. The transparency, rigidity and impact strength of Grilamid compare favourably to other transparent polymers like polycarbonate. It is the lightest engineering plastic in existence, maximising wearer comfort. Mineral Glass Created from natural elements like sand and soda ash, glass is endlessly recyclable and harmless to humans and animals alike. Its high resistance to scratching and lack of distortion make it the world’s best lens material. It really does have to be Mineral Glass. Vissottica Hinges with Stainless Steel Screws OTIS frames are produced with high quality 3, 5 and 7 barrel hinges. These premium grade Vissottica brand hinges are extremely durable and boast 100% corrosion resistance. This product may contain chemicals known to the State of California to cause cancer, or birth defects, or other reproductive harm.