Bolle Sunglasses B-Rock Pro Matte Black Frame Phantom Brown Red LensBollé\'s Phantom photochromic lenses provide 100% UV protection and outstanding optical clarity in all situations for unmatched eye-comfort.The full rim of the B-ROCK PRO offers maximum protection and a better coverage against the elements. Furthermore, the brow bar inside the frame and the wide field of view ensure a perfect vision and comfort. The PRO version includes side protections. *Weight: 35g *Available in prescription *Anti-fog treatment P80+ *Anti-scratch treatment *Oleophobic treatment *NXT photochromic lens *Thermogrip *Interchangeable lens *Adjustable nosepiece