SpecificationsHignconcernedChemical:NoneType:RoadBikeSunglassesFrameColor:MULTIModelNumber:cyclingglassesGender:UnisexLensWidth:140mmLensHeight:55mmLensesOpticalAttribute:UV400+photochromicLensesMaterial:PolycarbonateFrameMaterial:TR90BrandName:kapvoeItemType:EYEWEARSportType:cyclingOrigin:MainlandChinaCertification:CEFeature:1. Frametechnology Thesunglassesframeislightinweight,weighsonly34g,heatresistantandantiultraviolet.Withnonsliprubbernosepadsandlegs,suitablefortheperfectface.TheTR90materialframeissoft,durable,notfragile,highlyflexibleandultralightweight.Thebuiltinmyopiaframeandcustomizablemyopialensesarealsosuitableformyopiariders.2. LensTechnology Photochromicsunglasses:polycarbonatelens,thelenswillchangewiththeintensityofultravioletlight,thestrongertheultravioletlight,thedarkerthelenscolor.Onceinsidetheroom,thelenswillreturntoatransparentstate.Thelenshasascratchresistantcoating,whichisnoteasytoscratch3. Clear,ultralight,stylish,durable Thesesunglassescanblock100%ofharmfulUVAandUVBrays,soyoucandooutdoorsports suchasgolf,cycling,driving,fishing,skiing,running,tennis,racing,etc. Canprotectyoureyeswell.Unisex.4. Morestylesandsuperaccessories kapvoehasbeencommittedtomanufacturinghighperformancehighqualityproducts.Tomeetyourindividualneeds.❤GlassesaccessoriesincludeEVAbag,spectaclebag,manual,spectaclecleaningcloth,myopiaframe,TR90framewithphotochromiclens.5. Highqualityaftersalesservice 100%satisfaction.Buykapvoesportssunglasses,youcannotonlygethighqualityproducts,butalsoagoodshoppingexperience.Feelfreetocontactusifyouhaveanyquestions.6. 30dayreturnandexchangeguarantee Theframeandlensareunbreakableandcanbepurchasedwithoutrisk.Ifthereisaproblemwithourcyclingsunglasses,pleasedonothesitatetocontactkapvoeglassesexpertstosolvetheproblemuntilyouaresatisfied.