The Men's O'Neill TUBE 100P Polarized Smoke Gradient Silver Mirror colored lenses with Square Matte White Colored Frames and Crescent styled temples are stylish, comfortable, and a perfect fit for all outdoor enthusiasts. You will look and feel great wearing them. The fit of the TUBE 100P Sunglasses is sleek, comfortable, lightweight, and durable. The TUBE 100P Polarized Lenses are manufactured from Natural, Renewable Materials, mainly Eco-Polymers from Cotton & Wood Cellulose. 1mm Triacetate Cellulose (Tac) is a Technology Formulated for superior Visual and Polarization Clarity so they offer Glare-Free Vision, Optimal Visual Acuity, 100% UVA+B protection, and are perfect Sunglasses for all weather conditions and any outdoor activities. TUBE 100P Frames are built with durability in mind, made from a Polycarbonate material made up of thermoplastic polymers containing carbonate groups which are durable, lightweight, and extremely strong with the ability to be molded into different forms that have high resistance to breakage and low resistance to scratching, with the ability to hold up in extreme temperatures. All O’Neill Grilamid TR90 And Cellulose Acetate Frames Feature A 5 Barrel-Hinge Design. Highest grades of polycarbonates can be transparent with the same optical capabilities as glass without the danger of shattering. With Square Matte White colored frames and Smoke Gradient Silver Mirror Polarized Lenses, the O'Neill TUBE 100P Sunglasses are stylish, sporty, and look great!