Oakley SI Ballistic M Frame 2.0 Hybrid with Black Frame and Grey Lens Earplugs the frame features a clip

the frame features a clip that securely holds the lens in place

Bright green swirled colors makes for winning compliance to your hearing protection program

The PTX Rx Insert can accommodate prescriptions in the range of +/-6

Temple Length: 124 mm

these earmuffs protect your hearing when wearing a hard hat

Oakley SI Ballistic M Frame 2.0 Hybrid with Black Frame and Grey Lens Earplugs the frame features a clipIntroduced 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