100% Waterproof from top to bottom to keep feet warm and dry. Features DuraFresh bio-technology that activates to fight unwanted odors. Lined with Bogs Max-Wick technology to keep your feet dry for a more comfortable, drier foot environment. BLOOM eco-friendly, algae-based EVA footbed that helps clean polluted water habitats. Durable rubber outsole with Rebound technology offers both cushioned support and slip resistance