Koo Open Cube Sunglasses Sunglasses To The Third Power Sunglasses do much more than block the sunlight. They also protect your eyes from wind, water, dust, bugs, debris, and anything else that can get into your eyes. The Koo Open Cube Sunglasses have a half-frame design with added ventilation to ensure your vision is always crystal clear. They have a Zeiss Polycarbonate lens that provides exceptional clarity and panoramic vision so you can see every obstacle ahead of you. The Open Cube features an adjustable folding nose piece, adjustable arms to have the lens tilted at three different angles, and an easily removable interchangeable lens. Features Anti-slip inserts so the glasses won't move during your hardest efforts Zeiss Polycarbonate lens that provides excellent clarity and wide panoramic vision Ventilation ports help minimize fogging Adjustable arms so you can angle the lens to fit your riding style Specifications Frame Material Grilamid Lens Material Zeiss Polycarbonate Lenses Included Daytime, Clear Extra Lens Included Adjustable Ear/Nose Pieces Adjustable Nose/Arms Case Included- | Koo Eyewear | Koo Open Cube Sunglasses Men's In Black