Bogs Shale hybrid work boots are equally comfortable outdoors and indoors. They’re as heavy-duty as they are light-weight. And they’re as comfortable as they are tough as nails. With Bogs Max-Wick and EverDry evaporate sweat to keep feet dry. BLOOM eco-friendly, algae-based EVA footbed that helps clean polluted water habitats. this shoe has asymmetric composite toes custom built for each size that meet ASTM standards, and DuraFresh natural bio-technology activates to fight odors.Indoor/Outdoor BioGrip slip resistant outsole designed with maximum surface area.