Tifosi Rail Fototec Lens Sunglasses Maximize Your Performance Eyewear is important when you're riding your bike. Not only do they provide much-needed sun protection, but they also protect your eyes from debris, wind, dust, bugs, water, and much more. The Tifosi Rail Fototec Lens Sunglasses are lightweight sunglasses designed for a no-slip fit and are equipped with shatterproof, scratch-resistant lenses. The Rail glasses feature a Grilamid TR-90 frame that is light and durable, Glare Guard on the lenses to reduce eye strain, 100% UVA/UVB/USB protection, hydrophilic rubber to increase grip the more you sweat, and adjustable ear and nose pieces. Features Fototec lens that darkens in sunlight and lightens in low light Polycarbonate lenses that are scratch-resistant and shatterproof Grilamid TR-90 frame that is lightweight and durable100% protection from UVA/UVB/USBSpecifications Frame Material Grilamid TR-90Lens Material Polycarbonate Lenses Included Fototec Lens Adjustable Ear Pieces No Case Included Zippered Hardshell Case & Microfiber Cleaning Bag | Tifosi | Rail Fototec Lens Sunglasses Men's In Matte Black | Rubber