There’s water-resistant, which means a shoe can hold up against some water like light rain, and then there’s waterproof. This means a shoe is completely impervious to liquid. The best waterproof work boots have a breathable waterproof membrane, Therefore the sweaty air inside your boot can stream. The Ideal Down https://www.fcc.gov/fcc-bin/bye?https://en.wikipedia.org/wiki/Comfort