The XFIRE Men's Short Sleeve Dress Shirt is designed to provide a professional look but with features that keep you ready for work when the job gets tough. The tapered body with fitted waist design gives you the tailored look right off the shelf and features like the bi-swing maximize comfort. Constructed from 7.5 -8oz durable FR 100% cotton woven fabric that is inherently flame resistant the gives ARC rating 8.9 CAL/CM2 - HRC 2. Certified to meet or exceed NFPA 1975FR, 70E, & 2112 requirements.