*Free shipping on orders over $99

Free Shipping Policy

Free Shipping applies to all orders placed for $99 and above
(pre-tax value). Some restrictions apply:

  • Offer valid in the Lower 48 States only
  • Excludes Complete Bicycles, Framesets, and some other oversize items

Accessories Eyewear

KASK Koo Open Lens

Kask KOO Open interchangeable lens eyewear is gaining popularity for it's incredible effectiveness, coverage, helmet integration and aerodynamics. Kask offers various lens options for the KOO Open, with standard, clear and a UV light changing photochromatic option available.

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


  • Precision crafted Zeiss interchangeable replacement lenses for Kask KOO Open
  • Easily to install and secure in KOO Open frame with minimal handling
  • Color: Photochromatic (Gray scale) Filter Category 1-3
  • Please contact us for other lens color options