The result of extensive collaboration with trail running and mountain biking pros, the Ultra is the ally of those who can last the distance and push themselves to extreme limits! Thanks to the perfect hold, lightness and venting system of these glasses, you"ll feel that they"ve become a part of you. What"s more, with the new Zebra Light lens liberating your field of vision and providing maximum cover, nothing will escape you, with eyes super-sharp at all times, from morning to night!