The Radians SV92B-M2ZGSFR vest offers top tier fire resistance with its high visibility 5.5 oz. Westex DH material, a lower front black Westex Ultra-Soft color block and FR reflective tape. This Class 2, Category 1 FR vest meets ASTM F1506 and provides 6.6 Cal ATPV. The black color blocking at the bottom keeps you looking clean while on the job and will hold up its protection for up to fifty washes.