XFIRE® CARGO PANTSFIRE RESISTANT APPAREL XFIRE Cargo Pants may be the best fitting, most comfortable fire resistant pants you can buy. 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 that is certified to meet or exceed NFPA 1975FR, 70E, & 2112 standards. Designed with an engineered dimensional fit that remains comfortable no matter what the job asks. With features like a