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 Waterproof Composite Toe Work Boot Product Features : ATS® technology provides lightweight support that helps your foot adapt to uneven surfaces for lasting comfort and stability, DRYShield™ waterproof, breathable construction helps keep feet dry and comfortable when working on wet or muddy ground, Patented U-Turn® Entry System uses a flexible panel in the shaft to help people with high arches slip into pull-on boots, Energy Max™ anti-fatigue insole helps provide maximum comfort and support that can be easily removed for cleaning or replacement, Dual-density, lightweight FLX Foam™ midsole combines soft cushioning and firm support to provide responsive cushioning and lasting comfort with every step, Oil- and slip-resisting Duratread™ sole combines durability with flexibility, engineered for long-lasting performance, Flared sole design with debris-release tread, 90° heel helps provide secure footing on ladders and uneven surfaces, Resoleable Goodyear welt construction joins the sole to the upper, providing long-lasting durability and extending the life of your boots, Four-row stitch pattern, ASTM F2413 MIC EH rated, Built heavier and more substantial to provide added support and stability for bigger guys Men's Big Rig Waterproof Composite Toe Work Boots in Dark Brown, Size: 6 EE Wide by Ariat