Oliver 65 Series 8" Leather Chemical-Resistant Steel Toe Lace-In Zipper Men's Metatarsal Boots, Brown (65392) Chemical, liquid and barnyard acid-resistant SPR leather upper, with TPU SAFETYcell reinforcement for protection against cuts and abrasions, and heavy duty Kevlar stitching on critical seams Lightweight, flexible XRD Metatarsal Guard Extreme Impact Protection creates a protective shield on impact that absorbs up to 90% of the most intense force All-Terrain Dual Density Soling Technology combines a soft, shock-absorbing rubber midsole with high-density, durable rubber outsole; NATUREform steel toe protects against impacts Heat-resistant boots: outsole is rated up to 572 F (300 C) and resistant to chemicals, mineral oils, acids, alkalis, animal fats and oils; meets ASTM F2413-11 M I/75 C/75 Mt/75 SD Recommended use: oil and gas, construction, mining, heavy metal, manufacturing, farming and equestrian, general purpose