Big-time durability, wider widths, and extended sizes—Big Rig is built from the ground up for hard wear. One of our heaviest-duty boots, it stands up to harsh environments like oilfields and industrial sites, and features a roomier opening for quick, easy entry. Big Rig Tread VentTEK Work Boot Men's Big Rig Tread VentTEK Work Boots in Earth Graphite, Size: 6 EE Wide by Ariat