Pochromic Bicycle Equipment Cycling Glasses UV400 MTB Road Mountain Bike Racing Outdoor Sports Camping Golf Sunglasses

High-concerned chemical : None Type : MTB Bike Sunglasses Frame Color : WHITE Model Number : Cycling Sunglasses Gender : Unisex Lens Width : 152mm Lens Height : 60mm Lenses Optical Attribute : Photochromic + UV400 Lenses Material : Polycarbonate Frame Material : TR-90 Product number:101YJCVCN Origin : Mainland China Item Type : EYEWEAR Sport Type : cycling Certification : CE Applicable to : Bicycle riding, racing, mountain road cycling Daily leisure : Camping, climbing, hiking, driving, golf Product configuration: 【Photochromic-1 lens】:Photochromic glasses frames and lenses*1 【Accessories】1*glasses cloth+1*glasses bag+1*EVA box [Lens Introduction] Photochromic lenses change color under direct sunlight according to the intensity of ultraviolet rays. It changes color in about 1 minute in winter and about 40 seconds in summer. The speed depends on the intensity of sunlight and ultraviolet rays! (If the ultraviolet intensity and temperature are low, the color change speed will be slower.) [Frame Introduction] The frame is made of TR90 material, which has good impact resistance and is suitable for use during sports to reduce damage caused by accidental collisions. The legs of the glasses are made of rubber encapsulation, which can effectively prevent the glasses from slipping due to sweating. [Product Features] Photochromic glasses are suitable for indoor and outdoor wear. When the sunlight is strong, the darkening of the lens color can protect the eyes from the stimulation of strong light. In the evening or in a room with softer light, the lens is transparent and colorless, and will not obstruct the vision. Usage Guarantee: The frames and lenses are unbreakable, so you can buy them without risk. If there is any problem with our cycling sunglasses, please feel free to contact customer service to solve the problem until you are satisfied. The photochromic lens has UV400 function and will change color under direct sunlight. The discoloration occurs in about 1 minute in winter and 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.