Tifosi podium xc sunglassestifosis podium xc sunglasses look great on or off the bike and offer top quality features at an amazing price they include three interchangeable lenses to give you optical clarity day or night a microfibre cloth to keep them clean and a case to keep them safe virtually indestructiblethese sunglasses are optically de centred to eliminate distortion and prevent unwanted magnification the frame is constructed from virtually indestructible grilamid tr 90 plus scratch