Ariat Boots ATS technology supports and cushions as you move, promoting good posture and reducing fatiguefort technology is what we love about Men's Ariat Boots At the core of ATS technology is the Ariat ATS composite shank. This patented shank design reduces skeletal and muscular fatigue and injury. Mid-foot support reduces metatarsal stress. The forked shank design allows natural forefoot flex. The ATS footbed has a low-friction surface to protect from heat build-up and blistering. Shock-absorbing gel forefoot cushion reduces skeletal impact stress on knees, hips, and lower back. Cupped footbed chassis offers torsional stability. Take your western work wear up a notch with the Sierra work boot. This Ariat work boot features a smooth chocolate leather foot under a fancy stitched 10" rusty orange leather shaft. Single stitched Goodyear welt. Easy-on pull straps. Mesh lined. Updated square toe profile. Imported.