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 Composite Toe Work Boot Men's Big Rig Composite Toe Work Boots in Iron Coffee, Size: 6 EE Wide by Ariat pull on work boot, safety toe, wide square toe, Composite toe, standard size, double E, EE, 4E, oil and slip resistant, ASTM Standard, Electrical Hazard