You get the ultimate combination of durablity and protection in these sports shield sunglasses made with a shatterproof TR-90 frame and an anti-glare polarized lens. Also features a semi rimless design allows for an unobstructed 180 degree view and non-slip silicone nose and temple grips. These shades are constructed from high quality Tr-90 technology making them virtually unbreakable. Made with a TR-90 based frame, pinned hinges, silicone nose and temple grips, and a polarized UV protected lens. Perfect for heavy sports and all your outdoor endeavors.