Open Cube Med. Red eTap (11 Speed) provides a better base and

provides a better base and more confidence when

That bar’s revised ramp angle helps ensure proper fit

Fit System:

NBA Official Licensed Product: Toronto Raptors

delivering the performance and extra breathability an active athlete requires with the fun

Open Cube Med. Red eTap (11 Speed) provides a better base andThe all new performance eyewear. Specifically designed with speed chasers and record breakers, road riders and triathletes in mind. The Koo Open3 (or 'Open Cube') are premium sunglasses from the maker of Kask helmets. With astonishingly clear optics and solid frames that stay where you put them, these are excellent shades. The most important aspect of any eyewear is the optical performance, so let's start there. The lens on the Koo Open Cubes is made