Ariat Nitro Max Tall Riding Boot NITRO™ stabilizing frame for support with forefoot flexibility Shock Shield® diffuses heel strike impact to minimize fatigue Premium full-grain leather upper with oiled inner calf panel Removable NITRO™ insole for shock absorption and rebound Duratread™ sole with rider-tested traction zones Full-length elasticized panel on lateral side Mobility notch Lightweight chassis for heel and mid-foot torsional stability Full length Premium quality coiled YKK® zipper Style: 10031491 Size: Mens 12D (Calf: Reg) Condition: New With Tags