Traditional work boot styling with a "western flair" offering comfort, quality and durability. The most technically advanced work boot for any job. The Ariat Sierra? combines pull-on western style with Ariat Advanced Torque Stability Workhorse? Technology to provide consistent support, stability, comfort and durability both in the saddle and on the ground. Features include oiled, water-resistant leather uppers, full Goodyear welt, ATS carbon-fiber forked shank, gel cushioned ATS footbed, orthotic arch, comfort fit ankle flexion notches, and oil and acid-resistant Duratread outsole.