Tifosi intense single lens sunglassesgreat entry level performance eyewear, the tifosi intense single lens sunglasses are designed for comfort and stability.the lenses are made from impacts and abrasions to protect the surface from scratching ndash keeping your vision clear. Also, keeping the lenses clear is an integrated vent system that boosts ventilation to avoid fogging.the rugged frame is formed from grilamid tr90 which is an incredibly lightweight and flexible material that ensures long lasting comfort. Cushioning the frame, the ear and nose pads are coated in a hydrophilic rubber coating which stabilises the glasses position and grips against sweat and environmental moisture. The nose pad is also adjustable allowing you to find the perfect fit.lens specificationsgloss black with smoke lenses 15.4% light transmissionmatt gunmetal with clear lenses 95.6% light transmissionfeatureshydrophilic ear and nose padsvented lensadjustable nose padbag includedopen lens frame designweighs 26gsuitable for small to large face shapesrx compatibility n abuy tifosi sport sunglasses from chain reaction cycles, the world's largest online bike store.