These Wellington work boots were built with superior safety features. Its steel toe complies with the ASTM F2413-05 I/75 C/75 Protective Toe Classification.These men's boots have been built with the Georgia Waterproof System. This is a great feature to have because it creates a watertight structure that will keep the interior 100% dry. On the bottom, this Wellington has a blown rubber outsole; it is lightweight, supplies great cushioning and flexibility, plus it offers resistance to oil.