The Do Half Blade has been developed for road cycling and is injected in grilamid for low weight and durability. It allows for great flexibility with the option to change your lens according to the conditions. The rubber inserts and the adjustable nose piece in hydrophilic rubber keeps the frame firmly in place. Do Half Blade offers improved lower and peripheral vision due to the frameless lower part, which improves safety in traffic and allows you to keep track of other riders in the peloton. Several lens tints are optimized for road bike, increasing contrasts on the road surface, helping you to spot irregularities, holes and gravel in time. The Ri-Pel treatment help keeping fog, dirt and grime off your lenses and makes water pearl off.