Our Tactical Glasses meet US Military Spec MIL-PRF-31013,ANSI Z87.1 * Change is inevitable. Tactics change, conditions change, light changes.The Factor Tactical and the Factor Max Tactical with PivLock technology will help you quickly adapt. * Replacement lens for the Factor Tactical Sunglasses * Lenses provide 100% protection from harmful UVA/UVB/UVC * Megol nose pads and temples