TICOMELA Men's FR Flame Resistant Shirts 6.5oz Light Weight Plaid Fire Retardant Shirt Size Medium. 6.5OZ Printed Plaid Cotton Twill FR Treated, FR Buttons, FR Sewing Threads! Clear FR Tag on arms and bottom front. More FR info On Tag About UL Certification. This garments meets or exceeds the standards for HRC2,Arc Rating Atpv 8.2 Calories/cm2 and the requirements of NFPA2112 Standard on Flame Resistant Garments for Protection of industrial Personnel Against Flash Fire,2012 Edition. Also NFPA70E ASTM F1506 AND CAT II Certified! Made For Welders, Fitters, Ironworkers, Electricians, And Other Industrial Workers Even At Home. It Can Be Used For Any Kind Of Industrial And Construction works.