<p>The Big Rig from Ariat is built with extended sizes and widths for a generous fit, roomier opening, and deeper scallop to accommodate high insteps and wider calves. This Big Rig BOA features a waterproof construction and EH ratings to keep you protected and comfortable.<meta charset="utf-8"> The BOA® Fit System on this boot delivers dialed in performance and micro-adjustable precision fit. For a better fit and a secure instep, push in to engage, turn dial to tighten, pull out to release. </p> <p>Ariat's Big Rig BOA Waterproof Composite Toe Boot features ATS® technology to provide you with ergonomic support on uneven terrain. The DRYShield™ waterproof construction keeps your feet dry while the durable oil- and slip-resistant Duratread™ sole keeps you steady. Comfort features include a removable Energy Max™ anti-fatigue insole for maximum comfort, a dual-density FLX Foam™ midsole for lightweight shock absorption and cushioning, and a Goodyear welt construction. The Big Rig keeps you protected with an ASTM safety composite toe and ASTM electrical hazard ratings. Ariat rounds off this boot with a 90° heel and a debris-releasing tread design on the outsole. </p> <p>Available in: <br><b>Natural Tan and Black</b> <br>Wide (2E) - 14, 15, 16, 17, 18<br>Extra Wide (4E) - 14, 15, 16</p>