A biker is subjected to completely different conditions within the shortest time. This demands higher versatility regarding his glasses, which the uvex sportstyle 812 v provides in perfection – due to the variomatic - technology, the glasses adapt continuously and automatically to changing light conditions in a split second. If the sun is blinding, your eyes are protected against the glare by the shaded lenses, contours become clearly visible. A little later, when the trail leads through the forest, the lenses clear up and guarantee full vision of shady root passages or blocked curves. Shaded or clear, the lenses protect your eyes against harmful UVA, UVB or UVC rays to 100%. With the anti-fog-coating supravision and ideally positioned ventilation openings at the edge of the lenses, the uvex sportstyle 812 v stays clear without steaming up. Glasses to be proud of: curve 10 lens gives uvex variomatic a panoramic, wide angle view. curve 10 lenses offer a full 1 cm more curvature, compared to standard flat lenses. As well as extending your peripheral vision, the shape of this lens offers greater coverage and improves side protection against sun, draughts and impact. Thanks to uvex variomatic technology the photochromic lens reacts automatically, smoothly changing its level of shade, in response to the prevailing light conditions. uvex photosensitive sports eyewear is available in three (S1 - S3) protection levels.