In very changeable weather conditions, you need sports glasses with good visibility. The lens is held by a stable and lightweight Grilamid frame. With the Fullview lens, you have excellent visibility and can focus solely on your riding style. Your eyes will love the view. The BSG-57, with its soft-touch temple ends, offers a perfect and comfortable fit. The frames of the BBB sports glasses are made from TR90 Grilamid, a lightweight and flexible material that lasts a long time and is very comfortable to wear. Grilamid has several positive properties, such as high heat resistance, flexibility, as well as crack and break resistance. This makes Grilamid the perfect material for glasses frames. You can bend your glasses when changing lenses without worrying about damaging them. The base lenses in standard quality have the same properties as the BBB PC lenses. The gently tinted colors provide a rather subtle style. All glasses with PC lenses come with additional yellow and clear interchangeable lenses to ensure optimal adaptation to all lighting conditions. The adjustable, non-slip nose pads keep the glasses in position without pressure points. Sports glasses with interchangeable lenses. Yellow and clear lenses are included.