Relentless Advantage Western BootEfficiency boots that reside as much as their identify. Our Relentless model combines the eagerness and experience of legendary World Champion Trevor Brazile with the premium efficiency know-how and daring innovation of Ariat footwear. ATSÂ Pro know-how for superior stability and luxury Revolutionary Shock Shieldâ” diffuses heel strike affect for max shock absorption Premium full-grain leather-based foot and higher Leather lining Traditional eight-row sew sample Goodyear leather-based welt Duratreadâ” outsole 13 shaft; 1.5 heel