Cycling Glasses Pochromic Bicycle Glasses Men Women Bike UV400 Eyewear Outdoor Sports MTB Sunglasses Ciclismo

High-concerned chemical : None Type : MTB Bike Sunglasses Frame Color : MULTI Model Number : cycling glasses Gender : Unisex Lens Width : 145mm Lens Height : 55mm Lenses Optical Attribute : Photochromic lens + UV400 Lenses Material : Polycarbonate Frame Material : Acetate Product number:101YJapvoe Origin : Mainland China Item Type : EYEWEAR Sport Type : cycling Certification : CE

Full Package :1*TR90 glasses frame+1* photochromic lens+1* glasses case+1* glasses cloth+1* glasses bag NOTE: The photochromic lens has the function of UV400, which will change color under direct sunlight. Discoloration occurs in about 1 minute in winter and about 40 seconds in summer. The speed depends on the sunlight and UV intensity! (If the UV intensity and temperature are low, the discoloration speed will slow down.) The discoloration speed is related to the UV intensity and temperature.