The Oakley Half Jacket 2.0 sunglasses have been engineered to let you swap out the lenses. When they’re mounted, you’ll have impact protection that meets uncompromising standards. XYZ Optics® extends visual clarity with a contour that opens your peripheral view and improves side protection. Highlighted with metal icons, the durable yet lightweight O Matter® frame is sculptured with attitude and optimized with Unobtainium® earsocks that actually grip better when you sweat.