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. Features: -ATS® technology provides ergonomic support on uneven terrain -DRYShield™ waterproof breathable construction -U-Turn® Entry System lets people with high arches easily slip on their boots -Removable Pro Performance insole for cushioning and shock absorption -Oil- and slip-resisting, direct attach PU sole for durability -Goodyear welt construction -ASTM F2413 M/I/C PR EH rated