Tifosi eyewear tsali interchangeable clarion sunglasseshigh performance cycling eyewear, the tifosi eyewear tsali interchangeable clarion sunglasses come with three lenses which can easily and securely be installed into the frame ndash offering you three different types of coverage which you can swap in and out to best suit your surroundings. The lenses are made from polycarbonate which provides protection against impacts and abrasions while also ensuring 100% uv protection.the grilamid tr 90 frame is lightweight, durable and flexible. The frame is best suited for small to medium face shapes with adjustable earpieces and nosepieces which creates a custom feel. The components are also coated in hydrophilic rubber components which grips against sweat and environmental moisture.featuresadjustable earpiecesadjustable nose padscomes with casegrilamid tr90 frame constructionhydrophilic rubber componentspolycarbonate lensesfull uv protectionfits medium to extra large face shapesincludes 3 lenses clarion red, ac red, and clearbuy tifosi eyewear sport sunglasses from chain reaction cycles, the world's largest online bike store.