Description Our FR button down work shirts combine a classic fit, quality construction, and fresh patterns for every day of the work week. Built for the office, jobsite, or even when youâve called it a day.PRODUCT DETAILS:CAT 2: Rating for dual-hazard flame resistant workwear to help protect against flash fire and electrical arcs8.3 cal/cm2: Rated to protect against second degree burns when exposed to an electrical arcNFPA 70E: Meets NFPA 70E/ASTM F1506 performance requirementsNFPA 2112: UL classified to NFPA 2112Greater Arm Mobility lets you move freely Moisture Movement Technology helps keep you dry Sun Protection Fabric gives you UV coverage Button down front with left chest pocket Adjustable cuffs 7 oz FR yarn dye 88% Cotton, 12% Nylon UPF 30 Imported