Pls note: 10141 10142 10143 glasses case, ROCKBROS logo upgarded as below Product Details 1. Brand Name: ROCKBROS 2. Model Number: Cycling Glasses 3. Lenses Optical Attribute: photochromatic 4. Sport Type: Cycling 5. Weight: About 30g/pair (only glasses) 6. Lens Width: About 8cm 7. Lens Height: About 5cm 8. Lenses Material: Polycarbonate 9. Frame Material: Acetate Product Features 1. Hydrophilic Rubber 2. Acetate Frame 3. Polycarbonate Lens 4. Unpolarized 5. 100% UV Protection 6. Adjustable non-slip nose and Ear pads case included Note: Normally, the stronger the uv rays, the darker the lens 1. Color change time: winter-1 minute, summer-40 seconds. 2. Speed depends on sunlight and UV intensity! 3. The rate of discoloration is related to the intensity of ultraviolet light and the temperature. (if UV intensity and temperature is low, The speed of discoloration will become slower). ROCKBROS Photochromic Cycling Glasses Bicycle Outdoor Sports Sunglasses Strength Breaks Thewind Easier Cycling Wind deflector design reduceswind resistance for easier cycling Ergonomic size design ,Comfortable To Wear Suitable for most face shapes 10112 series size 10125 series size 10117 series size Photochromic lenses Lightweight Design, More Comfortable Weight about 30g, without stress,Ride easier All Weather Intelligent Transparent Color Change Can change color according to the intensity of UV rays outdoors and protects the eyes from harmful rays Sunny | Deep ; Cloudy | Light ; At Night | None High Toughness,lmpact Resistant Pc Lenses Lightweight PC lenses, high flexibility and impact resistance Can Be Built-in Myopia Frame Solve the troubles of myopia The rubber pad effectively isolates the lens frame from possible damage to the lens PC frame + PC temples are flexible to wear without picking face shape Soft and comfortable to wear without pressing on the ears Adjustable Nose Pads Soft plastic package design, Reduce pressure on the nose Real Test,UV400- Anti-UV 10171 Series One Piece, Large Vision Packing List 1.Original ROCKBROS Glasses Bag 2.Original ROCKBROS Glasses Cloth 3.Original ROCKBROS Bicycle Glasse 4.Original ROCKBROS Glasses Case 5.Original ROCKBROS Glasses Myopia Inner Frame 10112 series 10125 series 10171 series Product Show