Lincoln Electric Welding Beanie | Flame Resistant (FR) | Black & Red | Large |K2994-L PREMIUM FLAME RETARDANT (FR) FABRIC  The Welders Beanie is made from ASTM D6413 compliant 9 oz. FR black / red cotton which prevents and extinguishes fire / flames. The fabric also has an anti-mildew and anti-static coating for added longevity and protection. LIGHTWEIGHT & BREATHABLE  The FR cotton material is breathable by design. This along with the unlined inside allows consistent airflow to keep you cool without sacrificing protection. HIGH STRENGTH SEAMS  To prevent tears or rips, the seams of the beanie are reinforced with a multi-layer stitching pattern. USED BY PROFESSIONALS  This headwear is used by professional fabricators on a daily basis.