The Bogs Shale Mid is a lightweight work boot that is 100% waterproof. Rebound cushioning provides maximum comfort and energy return that will last all day. The BOGS Max-Wick and EverDry technology work together to evaporate sweat, keeping your feet dry. The DuraFresh natural bio-technology activates to fight odors, and the Indoor/Outdoor BioGrip slip-resistant outsole provides maximum surface area for safety.