A true sports frame, the medium size, unisex Diversion has polarized lenses for glare reduction. The injected polycarbonate lens provides 100% protection from harmful UV rays and is impact resistant and lightweight. Megol nose pads and temple tips combined with the grilamid nylon injected frame make this lightweight and will stay in place for all your activities. Suncloud Polarized Optics feature a lifetime warranty against manufacturer's defects.