Soft & Comfortable FR Fleece: The Benchmark FR Arc and Flame-Resistant Balaclava is made from soft FR fleece, so you stay comfortable and warm when the temperatures drop. You can wear it down below your chin or above your nose and never have to worry about it stretching out. Warmth Without Bulk: Unlike some balaclavas, the BENCHMARK FR Winter Balaclava provides warmth without bulk so it can be comfortably worn under any helmet or hard hat. The single layer construction makes it easy to breathe through. Flame Resistant for Life: The flame-resistant properties of the BENCHMARK FR Arc and Flame Resistant Winter Balaclava will remain for the life of the product. You can wash it as much as you want and not worry. It can be washed in a regular laundry, just make sure not to use bleach. It is also safe to wear against your skin and safe to breathe through. Quality - Manufactured in the United States. These arc and flame-resistant face muffler were designed, developed, tested, printed and sewn at the Benchmark FR facility in California Safety - Meets requirements of performance standard ASTM F1506, NFPA 70E, OSHA 1910.269. CAT/HRC2 EBT = 18 cal/cm2 Benchmark FR was founded in 2002 by the collaboration between an engineer and a fashion designer. Since its inception, Benchmark FR specializes in making higher quality flame resistant clothing helping protect electrical lineman as well as, oilfield, utility, and refinery workers. We proudly manufacture our apparel in the United States to maintain the highest standards in comfort, moisture management, and FR protection. All Benchmark FR products are tested by third-party laboratories to ensure we exceed code requirements. All applicable products are NFPA 2112 compliant certified through UL.