Oakley SI Ballistic M Frame 2.0 Hybrid with Black Frame and Grey Lens Fishing 6mm polycarbonate lenses offer maximum

6mm polycarbonate lenses offer maximum impact protection and optical clarity

Interchangeable Temples/Strap

NVLAP #0427

or they can remain attached to the brackets and kept on either the front or back of the helmet

ESS CrossBlade Naro

Oakley SI Ballistic M Frame 2.0 Hybrid with Black Frame and Grey Lens Fishing 6mm polycarbonate lenses offer maximumIntroduced in 2006, the tough Oakley SI Ballistic M Frame 2. 0 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 integrity, but also lend