●【MULTI-USE】This fr shirts for men designed for workers who may be exposed to potential flash fire and arc flash hazards typically associated with oil & gas, utility,construction and electricity workers.Self-extinguish garments can help prevent or reduce the severity of burn injuries for added protection. ●【FR PROPERTIES】This FR shirt for men provides a Arc Rating of ATPV 11.0 Calories/cm²and meets the standards for CAT II/HRC2,the requirements of NFPA2112 standard on flame resistant garments for protection of industrial personal against flash fire,2018 edition.Also meet NFPA70E ASTM F1506 cerfied! ●【DURABLE MATERIALS】Constructed with 6.5oz 100% cotton fabric,skin-friendly、flexible、perspiration、breathable material will give you a cozy work.We attached a small sample inside package for cunstomers simple FR try. ●【CLASSICAL STYLE】Our fr shirts available features a generous cut through the shoulders and chest,henley collar with 3-button placket closure give you plenty of room for movement,chest pockets will help you safely keep all your small parts. ●【MORE USE TIME】When wearing please ensuring that the fr shirts is laundered.Otherwise pollutants such as oily dirt attached to the clothing may affecting the performance of inherent flame retardant fibers.Our clothing supports industrial washing or home washing,the flame retardant effect will be maintained within 100 washes.