Built for oilfield performance, RigTek™ 6" work boot has the durability and cushioning you need for long, hard days. Removable Pro Performance insole for cushioning and shock absorption. ATS® technology provides ergonomic support on uneven terrain. Lightly padded collar and tongue top. 90° heel. Goodyear welt construction for durability. The unique traction pattern is designed to grip on metal surfaces and advanced stability keeps you on your feet and performing your best. DRY Shield™ waterproof breathable construction. Puncture resistant, ASTM F2413 PR rated. Non-metallic composite safety toe, ASTM F2413 M/I/C rated. Certified to CSA Standard Z195-14 with Grade 1 toe protection, protective sole protection and electric shock resistance (ESR) protection. Meets ASTM F2413 standards for electrical hazard resistant footwear. Oil- and slip-resisting, abrasion-resistant sole, passes hot contact test at 150°C/302°F. Meets ASTM F3445 safety standards for slip resistance. Color: Oily Distressed Brown