The BBB Impact Sport Glasses in Iron/Smoke are designed based on feedback from professional cyclists, ensuring top-notch performance and protection. The full round lens shape provides optimal coverage against sunlight, dust, and wind, while the Grilamid frame offers durability and comfort with an adjustable nose piece and rubber temples. The interchangeable polycarbonate lens provides 100% UV protection, and the glasses come with a convenient carrying case and extra yellow and clear lenses for versatile use in various lighting conditions.