The Dedisse's ultra curved lenses deliver enhanced ergonomics and increased peripheral coverage. A unique channel break design makes switching between both sets of included lenses easy, while the rubber bridge pads keep the frame right where it belongs during intense activity. Includes 2 sets of interchangeable lenses with smoke and copper options for bright sun and variable conditions. TR90 nylon frame materials for flexibility and comfort. Unisex // Fits narrow to average face shapes. 100% UVA/UVB Protection. If you're happy, we're happy. That's why all Optic Nerve and ONE by Optic Nerve products come with a lifetime warranty. All products also meet ANSI Z80.3 standards for optical clarity and impact resistance.