Men'sTwisted XCellStretchRubberized Brown Removable Insole Scratch Proof 12" Grey Top Pull On Alloy ToeMXBA002 Introducing new CellStretch technology from Twisted X, this work boot conforms to the contour of the foot, providing seamless sustained comfort all day. The Cowboy work collectoin is exactly what it says. Durable, heavy duty workboot with a cowboy profile. The slab rubber outsole is extremely durable and slip resistant, while the Twisted X patented XSD Insole provides a stabilityand excellent fit. The Moisture-wicking, and machine-washable removable footbed guarantees comfort for a long day on the job.