1. Light 11g ultra-light wear comfortable natural fit to release the pressure on the bridge of the nose (without lens weight) 2. 3. Italian crystal plate leg series has high light transmittance, fashion and novel, without the worry of foot cover falling off. Comfortable and environment-friendly Silicone nose rest fits naturally and is not easy to press the nose and is comfortable to wear. Delicate hinges have been tested for countless times and can be opened and closed freely without clamping the face and are durable