Oakley SI Ballistic M Frame 2.0 Hybrid with Black Frame and Grey Lens Earplugs these earmuffs protect your hearing

these earmuffs protect your hearing when wearing a hard hat

The USB power adapter can be used to charge your portable accessories

The advanced EQUALIZER system integrated into the double lens maximizes fog protection for clear vision

Temple Length: 124 mm

Designed for durability and comfort

Oakley SI Ballistic M Frame 2.0 Hybrid with Black Frame and Grey Lens Earplugs these earmuffs protect your hearingIntroduced 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