OAKLEY Airbrake MX Goggle - BRO Roll Off KitOakley's Airbrake Roll Off System boats the widest visual field on the market! With 33% better peripheral vision than regular goggles and a 60% increase in upward and downward vision, you can imagine the difference! Because the Airbrake BRO MX Roll Off System attaches to the outer frames, it will never obstruct your view. It is easily replaceable and detachable, in case the weather changes or you want to go with tear offs instead. Features an anti