ROCKBROS Photochromic Cycling Sunglasses for Men - UV Protection Sports Bike Glasses for Outdoor Running, Cycling & Driving

ROCK BROS Photochromic Sunglasses Intelligent Lens, Photochromic Clear Transparent Ultralight Rimless UV400 Protection Great for Golf, Cycling, Driving, Skiing, Runing, Tennis, Racing and Other Outdoor Sports Transmittance: 80%-18% (80% is light gray color when in low UV, 18% is dark gray color when in high UV) Product Features: 1.Photochromic Technology 2.Frameless Construction,Wide Vision 3.Lightweight cycling sunglasses 4.Thicken PC lenses with UV400 protection coating 5.Adjustable soft rubber nose 6.ROCK BROS sunglasses can be used for multiple activities Warning:Color changing time differs from intensity of sunlight.Winter for about 3 minutes , summer for about 2 minutes Photochromic Bike Glasses Photochromic Bike Glasses Photochromic Sunglasses Polarized Sport Sunglasses Polarized Sport Sunglasses Photochromic Sunglasses Features Photochromic Lens Photochromic Lens Photochromic Lens Polarized Lens Polarized Lens Photochromic Lens Material TR90+PC TR90+PC TR90+PC TR90+PC TR90+PC TR90+PC Frame Color White/black.blue Black/blue/green/orange Black/blue/white/purple Blue/black/green Blue/Black/Red Black red/white/balck Rating Number 1100+ 240+ 2600+ 2800+ <100 700+ Occasion Cycling Cycling Cycling Cycling Cycling Cycling