The Hemmet frames are created and designed with the finest and lightest materials. Wearing a prescription glass all day long can stress your face muscles, that's why we designed an ultra light anti-fatigue frame. The Hemmet Vintage Heritage frame is 20% lighter then the Vintage Raider frame, it doesn't have nose pads and it has elegant high quality metal arms. All the Hemmet Frames are compatible with our 5 Clip-On. Compatible with the 5 Hemmet Clip-On. Gradable Transparent Lenses, Ultralight frame, Hemmet Premium Microfiber Pouch included, Unisex Design.