The Chill-Its 6486 Fr Multi-Band Offers Head And Face Protection From Arc Flash Hazards, As Well As Sun, Dust And Flying Debris. The Nfpa 70E-Approved Fr Nomex Knit Fabric Has An Ebt Rating Of 4.2 Cal/Cm2 And Meets The Requirements Of Astm F1506 For Protection Against Arc Flash. Stretchable And Seam-Free, This Versatile Fr Neck Gaiter Can Be Comfortably Worn In A Multitude Of Ways”Face Covering Or Face Mask, Headband, Neck Gaiter, Hat, Do Rag And More. The Low-Profile Design Can Also Be Worn Under A Hard Hat Without The Bulk. Featuring High Tech Moisture-Wicking Technology For Fast Drying And An Anti-Odor Treatment For All-Day Freshness. Machine Wash As Needed And Hang To Dry. This Fr Multi-Band Is Ideal Ppe For Petrochemical, Electrical, Oil & Gas And Refinery Work.