EYE SAFETY SYSTEMS With Credence„¢, seeing is believing. This new high-impact sunglass deals a hefty dose of performance, protection and style. The broad lens wrap of the Credence„¢ provides a wide field of view through distortion-free, military-grade Polycarbonate. Its frame features low-profile temple arms for comfort with over-the-ear hearing protection, comms devices, hats, or helmets. The fixed-lens (non-interchangeable) Credence„¢ sunglass is available in a variety of frame colors and lens options. The ESS Credence„¢ features a Medium-Large to Large Fit. Safety Standards: This Credence„¢ sunglass is compliant with U.S. MIL SPEC MIL-PRF-31013 (clause 188.8.131.52), ANSI Z87.1-2010, CE and U.S. Federal OSHA. All ESS lenses provide 100% UVA/UVB protection. Sizing: Medium-Large to Large Fit. Credence€™s frame geometry is engineered for larger wearers, but also comfortably accommodates many others. Online Risk-Free Guarantee: Don't have a local ESS dealership to try on the Credence„¢ for fit„¢ Order the Credence„¢ from this site--if the product doesn't fit you well, you may return it in as-new condition within 30 days for a full refund. Other Lens & Frame Options: The ESS Credence„¢ is available in various frame color and lens tint combinations, also available on this site.