Full-Grain Leather Upper To ensure its quality, we put our leather through six different tests before making our selection. Our full-grain leathers are the strongest and most durable form of leather. Danner Dry 100% waterproof barrier allows moisture to escape without letting water in, keeping your feet dry and comfortable all day long. Electrical Hazard (EH) Protection Electrical hazard (EH) footwear is manufactured with non-conductive electrical shock resistant soles and heels. Steel Toe (ST) Meets or exceeds ASTM F2413-18 I/75 C/75 EH. Patent-pending plush dual-density footbed This patent-pending, plush, dual-density footbed provides superior cushioning with underfoot venting for maximum airflow. Danner Steel Yard Wedge Outsole An oil-and-slip-resistant TPU outsole that provides cushioning, lightweight support, traction, and tracks less debris. Goodyear Welt Construction Comparable durability and longevity to our stitchdown construction, the Goodyear welt construction creates a stable, long-lasting attachment of the outsole the the upper of the boot.