These glasses are designed for the Athlete. Biking, water sports, hiking, shooting, motor sports and so many other activities are perfect for this versatile pair of Sunglasses with a 2 mm thick lens for elite protection. Specs: Frame Features: TR90, Black Frame, Lens Features: Mirror Lens, Polycarbonate Lens, 2mm Thickness, Meets ANSI Z87 Impact Lens Requirements, UV 400 - 100% UVA/UVB, Anti Reflection Coating, Visible Light Transmission 12%. Each pair of JC STEELE Sunglasses comes with a high quality protective case and a microfiber cleaning cloth. Take advantage of our NO QUESTIONS ASKED - LIFETIME WARRANTY We set out to make a high quality product that has all the protection you need but fuses style and tactical protection into our innovative line of sunglasses backed by our lifetime warranty.