This tough boot is ready to take the heat | Pitstop leather upper | Steel safety toe cap meets or exceeds the ASTM Standards for compression and impact testing rating of ASTM F2413-18 | Footwear tested by an independent lab that can withstand applications of 18,000 volts at 60hz for one minute without leakage | Heavy Plastic-Dense Foam Lined External MetGuard | Flame and heat resistant Kevlar stitching | Pillow Cushion memory foam footbed | Made in the USA with Global Parts. Footwear Manufactured in our Martinsburg, PA facility | Internal MetGuards provide flexible protections and increased comfort. In addition, External MetGuards are also available on select Carolina styles. Meets ASTM F2413-18 Class Mt75 metatarsal impact-resistance safety standards. | Steel shank | Vibram heat resisting outsole | Radiantex insole board