PARKSON SAFETY Taiwan Popular Industry Use Custom Color Adjustable Infra-Red Safety Glasses CE EN166 EN169 ANSI Z87.1 SS-2533IR Safety Glasses with Nylon frame and side shield. Especially, the lens meet with infra-Red CE EN169, which is welding filter. They provide filtering eyewear for the protection against infra-red. UV, blue ray, Impact and scratch resistant lens with three sections adjustable temple leg.