Oakley and Daniel Defense has come together to bring you the most durable and mission critical eyewear protection possible. The Oakley SI Gascan Daniel Defense Cerakote Tornado Collection Sunglasses with Black Iridium Lens features a small DD logo laser etched into the corner of the lens for a completely custom look. The lenses are cut from a single curved lens shield, then secured in the frame to preserve the original, continuous contour. Oakley's lightweight O Matter frame material provides a premium comfort and maximized peripheral vision by XYZ Optics. Place your order today!