Carhartt Men's Flame Resistant Force Grid Head Band 3% spandex BreathableCarhartt FR label sewn on front; 11.7 ounce Polartec Power Stretch fabric Anti-odorMeets the performance requirements of NFPA 70E standards; 68% Modacrylic/29% Rayon/3% Spandex Anti-microbialInherently flame-resistant fabric Flat lock stitched seams for added comfort and stretchHRC 1 Wicking/quick dryEBT 5.2 cal/cm