Occunomix Premium Flame Resistant Shoulder-Length Head Liner is flame resistant for 25-50 washings. The Occunomix SS550-FR is a premium fire resistant winter work liner that is second to none.
This liner is Arc Rated with an ATPV of 7.2cal/cm² on the cap and a rating of 28.6cal/cm² around the head and neck. It has a Hazard Risk Category of 2 and meets NFPA 70E and ASTM F1506 standards, making it top of the line. The threading is made of Kevlar®, and the liner comes in navy blue.