Optic Nerve Dedisse Sunglasses TR90 Dedisse is a classic sports wrap frame that features two interchangeable lenses. Comes in Shiny White with a Smoke Blue Mirror Lens. Has precision optics and 100% UVA/UVB sun protection, and polycarbonate lenses for high impact resistance. Durable, resilient Grilamid TR90 nylon frame material for an enhanced performance with a snug, secure, and comfortable fit. This comes with a lifetime warranty against manufacturer's defects. Lenses meet ANSI Z80.3 standards for optical clarity, impact resistance, and UV protection. Ideal for casual use as well as more extreme adventures. Includes two sets of interchangeable lenses with smoke and copper options for bright sun and cloudy conditions. All Optic Nerve sunglasses have the warranty against manufacturer's defect.