The DEWALT® class 2 modacrylic fr t-shirts will help protect workers with a brand name they know and trust. The DEWALT® fr t-shirts are built in the usa with global materials to provide guaranteed tough protection. Available in short or long sleeve, the jersey knit, modacrylic cotton polyester blend material offers flame resistant properties required by ANSI 107-2010, as well as certified background and reflective material. Meets astm f1506 standards with an arc rating of 10.0 cal/cm2.