100% UVA/UVB protection Shatter-resistant polycarbonate lenses soft rubber Half frame Adjustable nose pads Polycarbonate lenses are lightweight, highly resistant to impact, shatter-resistant, and are stronger than glass or other plastics. Polycarbonate blocks 100% of UV rays without need for special coating. Polycarbonate is easy to cut or mold into unique shapes for unusual frames. Polycarbonate lenses require more care to prevent scratches. 100% protection against UVA and UVB rays. This protection is provided by the polycarbonate lens which is made of a material that blocks these rays without any extra treatments in color. That's why whether light or dark, our polycarbonate lenses protect your eyes from UV radiation. Piranha sunglasses are constructed with comfort in mind - including using lightweight and durable materials. The temples and frame shapes are made for varied face shapes and sizes, curved to rest easily on the nose and ears.