Made from Grilamid TR-90, a homopolyamide nylon known for its extremely high flex sensitivity. High resistance to chemicals and UV rays. Hydrophilic and non-slip temple and nose pieces. Adjustable temples and nose pads for a perfect fit. Three types of interchangeable lenses. Ventilation openings in the lenses – glasses case included. Weight: 26 g. Solid color lens – no image distortion. Light transmission range: 14.7%. All conditions (AC) red – enhances contrast, ideal for all weather conditions. Light transmission range: 41.4%. Clear – ideal for low light and general eye protection. Light transmission range: 95.6%. About the company: Tifosi is an Italian word meaning superfan, enthusiast, and that’s exactly who the team that develops the company’s products is aimed at. Our mission is to offer technically advanced eyewear for lovers of all sports and outdoor activities. We design, test, and validate our products to enhance your sport, whether you run, skate, or hit 18 holes every Sunday. Tifosi defines us: we are lovers of our products, our sports, and our fun.