Oakley SI Industrial M Frame 2.0 Matte Black Frame with Grey Lens ESS CDI MAX Sunglasses 100% UVA/UVB protection with distortion-free

100% UVA/UVB protection with distortion-free clarity

The lens is contoured in three dimensions to match the curvature of the eye

Closed-Cell Foam Seal

The ESS U-Rx Insert includes:

Oakley SI Industrial M Frame 2.0 Matte Black Frame with Grey Lens ESS CDI MAX Sunglasses 100% UVA/UVB protection with distortion-freeIntroduced in 2006, the tough Oakley SI Standard Issue M Frame 2. 0 Industrial Tactical Sunglasses were designed more for battle than for beauty. The most obvious change from the regular M Frame is the thicker, more rugged frame. The wide elbows past the temple hinge were brought in to better accommodate helmets or other headgear, but the temples also became stronger, opting for a more vertical profile. The ridges not only enhance the overall