Ariat's Endurance boots will cover a lot of ground, a variety of terrain, and shifting weather. These boots stay secure and stable thanks to performance-maximizing ATS™ technology. The innovative Advanced Torque Stability (ATS®) Technology supports and cushions the foot as you move, promoting good posture and reducing fatigue to keep you comfortable all day on and off the job. Ariat's exclusive Duratread™ rubber compound combines maximum wear-resistance with comfort and flexibility. It outlasts traditional rubber and is extremely flexible for ergonomic performance. This outsole is highly resistant to barnyard acids, oils, and slips, safeguarding from the ground up. Premium full-grain leather upper, Goodyear Welt construction, protective kiltie, ergonomic support and cushioning, this heavy-duty boot delivers. These boots lock out even the worst weather with Waterproof Pro™ technology.