Rocky Men's 11 Inch Western Barntec Boot SPR Leather Imported Synthetic sole Shaft measures approximately 11" from arch Boot opening measures approximately 12" around SPR Leather, Guaranteed Rocky Waterproof system, Pro-Cell comfort footbed, Oil and fuel resistant guaranteed BarnTec outsole, Chemical resistant welt stitching, Goodyear welt, 1" work heel, Reinforced pull straps, Fiberglass shank