Radians LHV-FR-TS hi vis FR t-shirts meet ASTM F1506 with a 10 cal/cm2 Arc rating and also meet NFPA 70E. ANSI Class 2, Type R Standards for high visibility are met with FR reflective striping material on the front and back of the t-shirt. This made in USA safety t-shirt comes in yellow color with sizes medium through 4XL often available.