Baffin - Barrow (Black) - Men's: Acid and oil resistant Oarprene base. Tear resistant Bulldog leather upper. Rust resistant hardware. Clinched lacing system allows most coveralls to fit over the boots. Micro-cellular waffle foot-bed traps air and moisture. GelFlex fatigue resistant midsole. Steel toe/steel plate (CSA/ANSI approved). ESR/EH rated. Comfort rated for -100 C/-148 F.