Breathable Vented: 6 oz 100% cotton Jersey smooth fit, breathable vented underarm design for summer hot days.Hidden chest slit pocket. Eye catch FR tag on the pocket. FASHION AND COMFORT: This FR Crew shirt provides a perfect and comfortable fit, Soft and fashionable. We have pre-washed and preshrunk the shirt to prevent any shrinking or distortion after washing. It is also wrinkle-free, making it easy to maintain. ENSURE SAFETY AT WORK: This work shirt meets or exceeds the standards for HRC2 and the requirements of NFPA2112 Standard on flame-resistant garments for protection of industrial personnel against flash fire,2012 edition.NFPA2112 NFPA70E ASTM F1506. MORE USE TIME: UP TO 100 WASHES, Our shirts have the appropriate level of protective gear and stay enforced up to numerous washes. You can wear and wash it over and over again for up to 100 times before the FR still works. (NFPA2112,ASTM F1506, CAT II) MULTI-USE: Made for welders, fitters, iron-workers, electricians, and other industrial workers even at Home. It can be used for any kind of industrial and construction work. Our workwear protects you every day and helps you do heavy work.