Shimano S-PHYRE X eyewear is available with photochromic lenses and is engineered to fit, perform, and protect under the most demanding riding and racing conditions where field of vision, depth perception, and optical clarity are mission critical. THe Optimal PL MLC lens minimizes reflections and provides enhanced visibility. Reversible nose pad features different front and back thicknesses for fit adjustment. Radiused temples with non-slip pattern for secure fit and comfort. Easily detachable lower-rim for rider customization and protection. Includes two lenses: Photochromic Gray, Cloud Mirror.