Features of the Bogs Kids' Big Geo Rainboot 100% Waterproof Durafresh natural bio-Technology activates to fight odors Bogs max-wick evaporates sweat to keep feet dry Crafted with ultra-soft and flexible rubber Lightweight construction Removable EVA Footbed Easy on handles Comfort rated to -5AdegF/-15AdegC (plush lining for warmth and comfort)