Oakley SI M Frame Helo Kit AirSoft a proprietary material that delivers

a proprietary material that delivers the highest optical clarity available in eyewear

This permanent coating on both sides of the lens provides high resistance to scratching and significantly delays the onset of fogging

including the 500°F for a 5-minute oven test

Anti-Fog Lenses

high-gloss

Oakley SI M Frame Helo Kit AirSoft a proprietary material that deliversThe Oakley SI Helo Gasket fits Oakley SI's M Frame 2. 0 and 3. 0 Ballistic Safety Glasses. The snap in Helo Gasket is a lightweight, soft rubber gasket that securely installs behind the Ballistic M Frame's lens. The Helo Gasket creates a facial seal that's designed to block the wind, dust and flying debris from your eyes. The Helo Gasket Kit is ideal for Airborne, Rotary Wing Operations, and other dusty environments. The Helo Kit is fully compatible