100% Waterproof Kids Insulated Rain Boots; Comfort Rated to -4 Degrees F/-20 Degrees C. Constructed with 5mm Neo-Tech waterproof insulation. Bogs Max-Wick evaporates sweat to keep feet dry. Bloom eco-friendly, algae-based EVA footbed that helps clean polluted water habitats.. Easy on handles; Reflective temperature rating mark on heel