Ariat Big Rig Work BootWith extended sizes and widths, generous fit, roomier opening and deeper scallop to accommodate high insteps and wider calves, the Big Rig is built to address the needs of all customers. This edition features multiple patented performance technologies, including a rebound foam insole and debris release tread design. Safety Features ATS technology for stability and all day comfort U Turn Entry System allows easier entry for high arches Removable Energy