Carhartt Flame-Resistant (FR) button-down work shirt in a durable cotton-nylon blend. Designed for safety and comfort, this Original Fit garment features a button-down collar, two chest pockets with button closures, and adjustable cuffs. It carries a CAT 2 rating and meets ASTM F1506, NFPA 2112, and OSHA 29 CFR 1910.269 standards, making it ideal for hazardous work environments requiring arc-rated protection. The deep navy blue fabric is accented with the iconic Carhartt FR patch on the left pocket and sleeve.