FR MATRIALS75OZ Cotton Twill FR TreatedFR ButtonsFR Sewing ThreadsClear FR Tag on arms and bottom frontMore FR info On Neck Tag About UL CertificationWe Attached A Small Sample Inside Package For Cunstomers Simple FR Try FASION AND COMFITThis FR Work Shirt Provides A Perfect And Comfortable Fit Also Soft And fashionableWe Did Prewash Preshrunk And WrinkleFree ENSURE SAFETY AT WORK This garment meets or exceeds the standards for HRC2Arc Rating Atpv 92 Caloriescm2 and the requirements of NFPA2112 Standard on Flame Resistant Garments for Protection of industrial Personnel Against Flash Fire2012 EditionAlso NFPA70E ASTM F1506 AND CAT II Classified MULTIUSEMade For Welders Fitters Ironworkers Electricians And Other Industrial Workers Even At Home It Can Be Used For Any Kind Of Industrial And Construction worksMore Durable Fabrics Pockets In Just The Right Places With So Many Features That Help You Get The Job Done Our Workwear Pretect You Everyday And Help You Doing Heavy Works MORE USE TIME UP TO 100 WASHES Our shirts has the appropriate level of protective gear and stays enforced up to numerous washes You can wear and wash it over and over again for up to 100 times before FR still worksNFPA2112ASTM F1506CAT II