Wiley X Saber Advanced Replacement Parts - Smoke Grey Lens Only. The Wiley X Saber Advanced Lenses meet stringent MIL-PRF-31013 military ballistic standards as well as ANSI Z87.1-2003 high impact certification (OSHA Occupational Eye Protection). These solid 3.0mm thick replacement lenses are the thickest most durable lens available in the tactical Glasses market. These eye shield lenses are made of scratch-resistant and shatterproof Selenite polycarbonate and are backed up with the company's signature High Velocity Protection (HVP) to present an unencumbered field of view. These spare lenses are the same shatterproof lenses that come standard with the Wiley X Saber Advanced Sun Glasses. All Wiley X extra lenses are ANSI Safety certified allowing hunters anglers athletes and everyone else to enjoy the same level of eye protection used by America's military forces. The same technologies that have made Wiley X a favorite of America's fighting forces in the field now help protect America's fishermen and hunters too. Wiley X glasses are ANSI Safety certified able to withstand 20 .25 caliber pellets fired at 150 FPS and a 1.1 lb. projectile dropped from 50". Wiley X Sunglasses provide ultimate protection against ejected brass ricocheting shot errant jigs or anything in the air while ripping across the water in a boat. ANSI Z87.1-2003 high impact certification qualifies all Wiley X Glasses as OSHA Occupational Eye Protection. We sell a full selection of WileyX military and tactical gear including Wiley X Sunglasses and Wiley X Goggles. All the tactical Glasses in our store is backed by our 100percent satisfaction guarantee Specifications for Wiley X Saber Advanced Extra Lenses: Standards and regulations: Exceeds MIL-PRF-31013 military ballistic standards and ANSI Z87.1-2003+ High Velocity Safety Standards Features of Wiley X Saber Advanced Spare Tactical Shield Lenses: Shatter-proof lenses; Replace worn scratched or broken lenses; Exceeds MIL-PRF-31013 military ballistic standards and ANSI Z87.1-2003+ High Velocity Safety Standards Package Contents: Wiley X Saber Advanced Replacement Lenses for Saber Advanced Tactical Eyeshields Wiley X Saber Advanced Replacement Parts - Smoke Grey Lens Only 306S