The optics have a 10-base lens shape that allows a clear view of the trail, and use LST ( Light Stabilizing Technology) to ?lter 100 percent of UVA, B and C radiation. As well as bright filter lenses for low light conditions, the Pro is supplied with a set of Decentered Vision Advantage PC lenses. These brown lenses coped well in bright sunlight and were usable in dull light.
Two features from the older Evil Eyes that we’re glad to see here are the Double Snap nosepiece, with its excellent width adjustment, and the three-point angle adjustment of the arms. The latter is particularly useful if you mix your riding between road, time trial and mountain biking, where your head position changes. It’s good to be able to alter the angle mid-ride as the sun moves across the sky too.