Durango Men's 12" Farm 'N Ranch Comfort Core SPR Brown Western Boot-FR104 leather-and-fabric Rubber sole Shaft measures approximately 12" from arch SPR Leather SPR leather offers protection against and resists caustic alkali, sulfuric acid, calcium hydroxide, potassium phosphate and caustic potash, which means your boots will be "barnyard-proof". Leather Foot& Shaft. #5 Round Toe SPR leather-Durable,tear,abrasion,scuffs resistanct. Oil & Fuel-Resistant Carbo-Tec Mini-Lug Outsole-More abrasion,slip,oil resistance Comfort Core This footbed helps to resist fatigue through a memory foam top layer and a heel plug to provide ultimate shock absorption & support. Leather upper.Reinforced Pull Straps-More durable,long lasting Taped Side Seams. Unlined. SPR leather-Also barnyard chemical,acid,pasture protection