Smith’s PivLock Arena sunglasses feature an interchangeable lens system and are created to outfit those people whose lifestyle and success rely on clear vision and thorough protection from the sun and the elements. Smith Optics sunglasses are characterized by sharp detailing, 100% UV protection and smart styles. Smith Pivlock is a rimless frame for Men which is made of Nylon. The thermoplastic material is blended in order to counteract its initial brittleness. Fitted with ChromaPop platinum flash lens in addition to a contrast rose flash interchangeable bonus lens. This model features a wrap around/rounded edges shape, with a single bridge.