Product detail Brand: ROCKBROS Color: 8 Colors Style: 2 Styles Name: Half Frame Cycling Glasses Model: Photochromic/Polarized Weight: About 24g Material: PC Lens+TR Frame Product feature 1. 10171/6/7/8: Polarized Lens 2. 10172/3/4/5: Photochromic Lenses 3. Package: Myopia Frame, Glasses Cloth, Glasses Bag, Test Card 4. 100% UV Protection 5. Adjustable Nose Pads 6. Silicone Temple Pls note: 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). Sports cycling glasses Dazzle color polarization High definition large lenses/no pressure to wear/bonus myopia frame Product information TAC polarizing lens Effectively reduce glare and eliminate dazzling reflection and scattering light, suitable for daytime driving,cycling, fishing, mountaineering and other activities Dazzle color coating The surface of the lens is not easy to absorb villi, dust,not easy to be acid erosion by rain to keep the sight clear Perfect lightweight The overall weight of the glasses is only about 24gwhich is comfortable to wear and does not burden the ears Built-in myopia frame Built-in myopia frame can meet the wearing needs of myopic people (Recommended myopias 400,astigmatism s 200) High level of appearance TR90 frame The frame and frame are made of TR90material, which is durable and easy to deform Adjustable nose rest Suitable for different face shapes The wrapped adjustable nose rest can be adjustedaccording to the shape of nose for more comfort PC toughness mirror leg Light fit does not hurt the face comfortable gripping force reduces head pressurePC toughness mirror legs fit most people’s face shape Detail show Accessories show