Oakley SI Gascan Sunglasses Matte Black with Prizm Grey Lenses Crossfire ES5 If you're concerned about your

If you're concerned about your glasses slipping during rigorous use

flexible flanges provide a superior seal and fit most size ear canals

This high-definition lens offers a clear and crisp target view

whenever eyewear is inserted

Completely Matte Black Frame

Oakley SI Gascan Sunglasses Matte Black with Prizm Grey Lenses Crossfire ES5 If you're concerned about yourThe two lenses are actually cut from a single shield of optically pure PLUTONITE then placed in the frame to maintain the original, continuous contour. An innovation of HIGH DEFINITION OPTICS (HDO), POLARIC ELLIPSOID lens geometry extends clarity all the way to your peripheral view. UV filtering is an unbeatable 100% for every single ray of UVA, UVB and UVC. The lens curvature and frame architecture improve side protection, and durable yet lightweight