Photochromic Sunglasses for Men Cycling Sunglasses Sports Bike Glasses (Black)

PHOTOCHROMIC TECHNOLOGY: Intelligent lens cycling sunglasses automatically lightens or darkens in response to changing light conditions without needing to switch between glasses. Frameless construction giving you more clear, LIGHTWEIGHT: LIGHTWEIGHT: Only 30g/pair,great to wear for long periods of time. Ultralight cycling sunglasses reduce the pressure on your nose and temples, SAFETY: Thicken PC lenses with UV400 protection coating, shatterproof and scratch-resistant effectively, protecting your eyes from any debris, UV rays and other harmful light, COMFORTABLE: Adjustable soft rubber nose bridge can easily find the right angle for you and ensure the sunglasses doesn't slide off your face when playing golf, MULTI-PURPOSE: photochromic goggles can be used for multiple activities, such as golf, cycling, driving, fishing, skiing, runing, tennis, racing and other outdoor sports