Kask KOO Open Cube interchangeable lens eyewear adds an open-bottom shield lens options to the KOO line-up. As with the standard KOO Open, the incredible effectiveness, coverage, helmet integration and aerodynamics are complemented by Zeiss optics. Kask offers various lens options for the KOO Open Cube, with standard, clear and a UV light changing photochromatic options available.

Precision crafted Zeiss lenses for the KOO Open are easily installed, with minimal handling of the actual lens. Equip your KOO Open Cube frames with all the lenses you will need for your cycling adventures.