Koo Open Cube sunglasses review

A smaller lens cycling sunglasses option for those who favour function over form

Koo Open Cube sunglasses
(Image: © Aaron Borrill)

Cyclingnews Verdict

Lightweight sunglasses with smaller lens and unique arm swivel design


  • +


  • +

    Clear field of view

  • +

    Quality on par with rivals

  • +

    Superb fit and helmet compatibility

  • +

    Array of frame colour and lens options


  • -

    More expensive than established brands

You can trust Cyclingnews Our experts spend countless hours testing cycling tech and will always share honest, unbiased advice to help you choose. Find out more about how we test.

Koo might be a new entrant to the best cycling glasses category but, in a relatively short space of time, the brand has managed to work its way into the top rungs of WorldTour cycling. A subsidiary of Italian helmet maker, Kask, Koo supplies both the men's and women's Trek-Segafredo teams with sunglasses - namely the Koo Orion and, the Open Cubes you see here.

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