Oliver 45 Series 8" Leather Composite Toe Waterproof Men's Metatarsal Boots, Black (45675C) Leather, TPU, PU Liquid-resistant leather upper is attractive but tough and durable; waterproof work boots feature the SympaTex waterproof breathable membrane to keep moisture out Composite toe and XRD metatarsal guard protect top of foot against impacts from above; outsole inhibits abrasions and is resistant to mineral oils, acids, alkalis, animal fats and oils Lightweight, shock-absorbing low-density PU midsole makes these comfortable work boots suitable for long wear on the job Heat-resistant boots: electrical hazard rated outsole is also rated up to 266 F (130 C) for use in many high-temperature work environments; meets ASTM F2413-11 M I/75 C/75 MT/75 EH Recommended use: construction, mining, oil and gas, manufacturing, general purpose