Built for oilfield performance, RigTek™ has the durability and cushioning you need for long, hard days. The unique traction pattern is designed to grip on metal surfaces and advanced stability keeps you on your feet and performing your best. RigTEK 8 CSA Waterproof Composite Toe Work Boot Product Features : 0 : ATS® technology provides ergonomic support on uneven terrain, 1 : DRYShield™ waterproof breathable construction, 2 : Removable Pro Performance insole for cushioning and shock absorption, 3 : Oil- and slip-resisting, abrasion-resistant sole, passes hot contact test at 150°C302°F, 4 : Lug tread designed for traction on metal surfaces, 5 : 90° heel, 6 : Goodyear welt construction for durability, 7 : Lightly padded collar and tongue top, 8 : ASTM F2413 MIC PR 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. Men's RigTEK 8 CSA Waterproof Composite Toe Work Boots in Oily Distressed Brown Br D Medium by Ariat"