UltraSoft AC® is the next evolution of the UltraSoft® family of fabrics. UltraSoft AC® is a line of flame resistant 88% pima cotton/12% high tenacity nylon fabrics that is guaranteed flame resistant for the life of the garment in either high temperature industrial or home washing procedures. With the finest long-staple pima cotton and advanced softening technology, UltraSoft AC® will prove to be the most comfortable flame resistant fabric on the market. When your biggest obstacle is comfort, UltraSoft AC® is the innovation to meet your employees’ needs.Style Weight Weave APTV (cal/cm2) NFPA 70E Hazard Risk Category (HRC) 901 Shirt/Lt. Wt. Coverall Twill 7 oz (237 g/m2 Twill 11.7 2 951 Pant/Coverall Twill 9 oz (305 g/m2 Twill TBD TBD