The American National Standards Institute, ANSI, has developed standards for impact resistance and materials of Safety Glasses in the workplace. That is where Oakley’s Industrial Collection comes in. The Industrial collection takes our top Impact Resistant styles and marks them with the appropriate ANSI markings to designate them as official Safety Glasses.Oakley Standard Issue introduces a revolutionary competitive shooting eyeshield, Tombstone™. We worked with top marksmen to identify the most crucial problems they encountered with conventional eyewear. The response focused on three specific areas: Field of View, Contrast/Clarity, and Lens Interchangeability. Solving these problems was at the forefront of designing all aspects of Tombstone™. Using eye-tracking technology, we identified the key zones in your field of view to allow for 120 degrees of vision. We incorporated PRIZM™ technology to provide contrast enhanced viewing to help lock in your target and decrease eye fatig