photochromic cycling glasses Retro Transition Reading Glasses for Mens Square Sports Sunglasses Readers 0~+4.00
cycling,driving,running,fishing,climbing,trekking or other outdoor activities enthusiasts.stylish design,with rich color combinations of frames and lens.Polycarbonate lens and frames are impact,scratch resistant,durable and unbreakable.This magical photochromic lens are based on the intensity of sunlight and ultraviolet light, darkening the light grey lens. What’s more, these glasses protect the eyes without interfering with your perception of color. Plus its fashion Square design, always match your daily dressing demand(may not change obviously under weak UV lights)Sports Frame is Lightweight But, for Safety Eyeglasses with Wraparound Design that Provides Increased Side Protection and Peripheral VisionLightweight frame with photochromic lenses easy reading indoor and outdoor.Note: This is not sunglasses! ! The photochromic lens changes according to the intensity of ultraviolet rays. The stronger the ultraviolet rays, the deeper the discoloration, and the weaker the ultraviolet rays, the lighter the discoloration. (We will check carefully before leaving the warehouse)If you have any question, please feel free to contact us.