BOGS Baby Bogs penguins, toddler size 6 Waterproof rubber and fabric upper Pull-on handles and hook-and-loop closure 3mm Neo-Tech™ insulation Lined with Max-Wick to keep feet dry Durafresh technology fights odors Lightly cushioned footbed Machine washable Comfort rated to 14°F/-10°C Available in whole sizes only, half sizes please order the next size up