Oakley SI Ballistic M Frame 2.0 Hybrid with Black Frame and Grey Lens Fishing and nylon polyester fire-retardant strap

and nylon polyester fire-retardant strap ensure durability in high temperatures

The slim temples eliminate the hot spots and pressure points that commonly occur when normal eyewear is worn under ear cups

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

The glasses saved my eyesight

VR28 Lens - Medium to bright light

Oakley SI Ballistic M Frame 2.0 Hybrid with Black Frame and Grey Lens Fishing and nylon polyester fire-retardant strapIntroduced 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