3FX54B9 - Compression Flame-Retardant Accessory - Compression fitting. Contoured to face and head, fits close to to both but does not constrict. Moves with the wearer for better mobility. Allows for unrestricted movement. Ideal for temps between 10Adeg - 40Adeg F. Compression FR Accessory - Compression Fit Weight - 6.0 oz. Patented blend of Modacrylic, FR Rayon & Spandex ASTM D6413 Standard No Melt/No Drip Superior Moisture-Wicking Quick Drying Ag47A(R) Anti-Microbial Protection Clean SeamA(R) Next-To-Skin Comfort Durable and Breathable Won't Shrink 100% USA Made & Berry Compliant!!!