Ariat Boots exclusive ATS Max technology supports and cushions as you move, promoting good posture and reducing fatigue. Comfort technology is what we love about Men's Ariat Boots! At the core of ATS Max technology is the Ariat ATS Max extra wide shank, plus forefoot and heel stabilizers for support and reduction of foot fatigue and injury. EVA mid-foot support reduces metatarsal stress. The ATS Max footbed has a low-friction surface to protect from heat build-up and blistering. Shock-absorbing gel cushion reduces skeletal impact stress on knees, hips, and lower back. Cupped footbed chassis offers torsional stability. Work at your peak in the Ariat Workhog work boot features a full grain waterproof leather foot under a black, waterproof 11" leather shaft with fancy stitching. Air mesh lining. Stability chassis promotes proper gait cycle. Shock-absorbing EVA midsole. Goodyear welt construction. Safety square toe with 90 degree unit heel. Self-cleaning outsole tread design. Imported.