Features of the Bogs Infant Baby Bogs II Unicorn Awesome Boot 100% Waterproof Constructed with 3mm waterproof Insulation DuraFresh natural bio-Technology activates to fight odors BLOOM eco-friendly, algae-based EVA Footbed that helps clean polluted water habitats BOGS Max-Wick evaporates sweat to keep feet dry Comfort rated to 14AdegF/-10AdegC Machine washable