This classic utilitarian boot will keep you dry and safe in harsh weather Waterproof SPR leather upper protects against caustic alkali, sulfuric acid, calcium hydroxide, potassium phosphate and caustic potash Oil and slip resistant rubber outsole Waterproof rubber shell Vulcanized Rubber Construction Steel arch shank Men's sizing shown. Women should order 2 sizes down Georgia Boot Unisex 6 Inch Marshland Duck Boot