Throgood's Oil Rig wellington boot will work every bit as hard as you do. Its pull-on design features a leather upper with dual pull-tabs and a Goodyear welt for durability. Thorogood dual density polyurethane comfort sole with 90 degrees heel is slip-resistant, while the steel toe complies with ASTM F 2413-05 M/I/75/C/75 and the fiberglass shank offers the best support. The removable insole absorbs shock and is ventilated for breathability. Material: Leather, Rubber.