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 Tread VentTEK Composite Toe Work Boot Product Features : 0 : ATS® technology provides ergonomic support on uneven terrain, 1 : U-Turn® Entry System lets people with high arches easily slip on their bootsVentTEK™ 360° cooling for all over temperature regulation, 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 : ASTM F2413 MIC EH rated, 9 : Ariat is including you in its dedication to environmental stewardship. By purchasing this product, you are supporting the responsible production of leather at Leather Working Group-certified tanneries. This boot is heavier and more substantial than most of our work boots for extra support. Men's Big Rig Tread VentTEK Composite Toe Work Boots in Earth Graphite, Size: 6 EE Wide by Ariat