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KOO Open Cube Sunglasses review

Quality shades with good adjustability

Our rating 
3.5 out of 5 star rating 3.5
GBP £175.00 RRP
road cycling sunglasses

Our review

Ooze quality and with easier lens changing they’d be nigh-on perfect
Pros: Adjustability, fit
Cons: Lens switching requires a bit of force
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KOO glasses are an off-shoot of premium helmet makers Kask, and it applies just as much clever design to shades as it does to lids.


The unique touch on these Open Cubes is the arms that rotate rather than fold, so this means you have micro-adjustment on the lens angle with the rotation having indents, so it steps.

The lens is a full shield design with top vents and its 50mm at its deepest on the M fit — a S version is also available.

Lens switching takes a bit of force, which I’m never that comfortable with when it comes to pricey shades.

The nose-piece is adjustable and you get two sizes in the package, so you’ll definitely find the right fit.


In use, the Open Cubes are excellent, with great fogging resistance and nicely grippy, though they did bounce a little at the nose when riding off road.

Product Specifications


Price GBP £175.00
Weight 33.7g
Brand Koo


Features Lens: Red chrome mirror, clear
Extras: Hard case, cleaning cloth
Prescription option: No