Wiley X Guard Advanced Replacement Parts - Smoke Grey Lens Only. These spare lenses are the same shatterproof lenses that come with the Wiley X Guard Sunglasses. These Wiley X extra lenses are ANSI Safety certified so that hunters anglers athletes and everyone else can 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 Guard Sunglasses Replacement LENSES ONLY: Manufacturer: Wiley X Application: Outdoor Size: One Size Age Group: Adults Gender: Unisex Photochromic: No Polarized: No Features of Wiley X Guard Spare Lenses: Shatterproof lenses; Replace worn scratched or broken lenses; ANSI Safety certified; ANSI Z87.1-2003 high impact certification; OSHA Occupational Package Contents: Wiley X Replacement Lenses for Guard Sunglasses Wiley X Guard Advanced Replacement Parts - Smoke Grey Lens Only 4006S