100% waterproof and designed to handle the toughest conditions in the mine, the Protecta work boots provide both protection and superior features. The Trac-Lite outsole gives excellent traction on wet surfaces. Steel toe, steel midsole and full metatarsal guard meet or exceed ASTM F2413-05 M I/75 C/75 EH PR Mt. The adjustable top strap buckles for a secure fit, and the Ankle-Fit design keeps boots on in mud and wet terrain. The rigid, contoured heel prevents slippage. Fiberglass shank.