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 Product Features : ATS® technology provides lightweight support that helps your foot adapt to uneven surfaces for lasting comfort and stability, Patented U-Turn® Entry System uses a flexible panel in the shaft to help people with high arches slip into pull-on bootsVentTEK™ 360° combines cooling lining and mesh panels in the shaft to enhance airflow, helping regulate temperature and provide all-around comfort, 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, ASTM F2892 EH rated, Built heavier and more substantial to provide added support and stability for bigger guysBy purchasing this product, you are supporting the responsible production of leather at Leather Working Group-certified tanneries Men's Big Rig Tread VentTEK Work Boots in Earth Graphite, Size: 6 EE Wide by Ariat