Big-time durability, wider widths, extended sizes. We built Big Rig from the ground up to give you the best foundation for on-the-job wear and tear. Designed to deliver extra support to workers who need it, this boot is heavier than our other work boots and has a roomier opening for more space to slip them on and off. Built to withstand harsh outdoor work environments like oil and gas exploration. Big Rig Chelsea Waterproof Composite Toe Work Boot Product Features : 0 : ATS® technology provides ergonomic support on uneven terrain, 1 : DRYShield™ waterproof breathable construction, 2 : Removable Energy Max™ anti-fatigue insole for maximum comfort, 3 : Dual-density FLX Foam™ midsole has a light, springy feel that cushions every step, 4 : Oil- and slip-resisting Duratread™ sole provides maximum wear resistance, 5 : Flared sole design with debris-release tread, 6 : 90° heel, 7 : Resolable Goodyear welt construction for durability, 8 : Elastic twin gore and back pull tab, 9 : ASTM F2413 MIC EH rated, 10 : This boot is heavier and more substantial than most of our work boots for extra support. Men's Big Rig Chelsea Waterproof Composite Toe Work Boots in Iron Coffee, Size: 6 EE Wide by Ariat