Tifosi Gavia SL Sunglasses Weight 23 grams Fit Small to Medium Good fit for Women Tortoise GT Matte Black Smoke Silver Smoke. Frame and Lens Features Made of Grilamid TR 90, a homopolyamide nylon characterized by an extremely high alternative bending strength, low density, and high resistance to chemical and UV damage Hydrophilic rubber ear and nose pieces for a no slip fit Adjustable ear pieces for a customizable, comfortable fit Polycarbonate Decentered Lens for Optical Clarity Glare Guard Glare Reducer to Decrease Eye Fatigue 100% UVA UVB Protection Ventilated Lens for Increased Airflow Anti fog Lens Info GOLF TENNIS T G Tifosi Golf sunglasses feature three lenses designed to improve your game. Our GolfTennis GT lens is color neutral, great for full sun, and high contrast so you can quickly spot your ball in flight. The Extreme Contrast EC lens filters blue light and was designed specifically as a green reader. Its unique properties help you pick up subtle breaks on the green as you plan your next putt. AC Red is a great contrast lens for overcast conditions. The Tifosi Optics EC lens tint is designed for athletes seeking an edge in distinguishing terrain details. The hue of EC increases light contrast by filtering the blue light spectrum that is responsible for optical blurring and decreased contrast in bright light conditions. Use this lens tint for spotting the subtle breaks of a putting green or the lines of your local single track. Available in GolfTennis Interchangeable models and as a Fototec lens. The Tifosi Optics GT lens tint features object illumination, which enhances your ability to pick up a ball in flight by providing a balance of target and background brightness. Whether you are at net or tee, the GT tint is designed to help keep your eye on the ball. Available in GolfTennis Interchangeable models and as a Fototec lens. FAQ's What is UV protection Ultraviolet UV radiation is part of the natural radiation found in the invisible light sp