Wrangler® - Wrangler FR® garments are designed to self-extinguish to effectively prevent or greatly reduce the severity of burn injuries. Wrangler® FR products were created to meet the rigorous requirements of the major protection agencies. HRC 2. ATPV 10.0 Calories/cm 2 . Meets ASTM 1506, NFPA -70E and OSHA Final Rule 1910.269. 7.5 oz. 100% cotton. Button-thru patch pocket with pencil slot. Safety orange outside ID for high visibility.