The M2 and M2 XL series of sunglasses by Oakley give an enhanced vertical dimension, more clarity, greater color and better vision. This makes the M2’s a great choice for cycling, running and jogging. The Unobtainum no-slip nose pad and ear socks will insure your M2s will stay on even with heavy perspiration. Features of Oakley M2 and M2 XL Interchangeable lenses Unobtainium no slip nose pad and ear socks Available in prescription lenses Oakley M2 Frame XL Polished White w/Fire Iridium Lenses OO9343-05