Oakley SI Rx-Carrier Kit 11-449 for Ballistic M Frames Crossfire Core Best results are achieved with

Best results are achieved with eyewear using straight-style temple arms

Lens Width 56 - 59 mm

the Extremis provides superior protection from dust and debris

Cleaning cloth

Low: 1000 lumens

Oakley SI Rx-Carrier Kit 11-449 for Ballistic M Frames Crossfire Core Best results are achieved withThe Oakley SI 11 449 RX Carrier Kit lets you install prescription lenses underneath any pair of Oakley M Frame 3. 0, M Frame 2. 0, or M Frame Alpha Ballistic Eyewear. Function: This prescription insert carrier is designed to fit under Oakley ballistic protective glasses, specifically the M Frame 3. 0. Compatibility: It is designed for use with the Oakley Standard Issue (SI) Ballistic M Frame 3. 0, 2. 0, and Alpha. Components: The kit typically