Oakley Si Ballistic M Frame Alpha Matte Black Frame With Grey Lens Sunglasses

Durability and all-day comfort, stress-resistant O Matter frame material Ultra lightweight design (1.05-ounce total weight) Thin stem technology enables compatibility with over-ear hearing protection and communication systems System features quick, tool-free lens interchange Full compatibility with helmet-mounted night vision devices Full compatibility with MICH, ACH, CVC, PASGT, Ops-Core, Team Wendy and Crye Helmets Lens: Fog Free - Flush-mount surface creates a Venturi effect to maximize airflow and prevent fog build up. Anti-fog capability enhanced with three-point retention architecture and anti-fog coating on inside of lens. Hybrid Lens - Hybrid Lens shape to maximize comfort and field of view Interchangeable Lens - Replacement lens is compatible with the Halo Goggle