The industry standard in eyewear retainers is now available in a light, strong, heat resistant Kevlar or PBI/Kevlar blend with an extremely high melting point that won't ignite. Meets NFPS 70 E requirements. Maintains fiber integrity up to 450 C in Kevlar style and up to 540 C in PBI/Kevlar style. PBI/Kevlar style is resistant to sparks and welding spatter.

Dual bead adjustability. Fits most standard frame styles.