Worn 10 times, then out grew them! They are fantastic boots. Size 11 Toddler Euro 27. 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 BLOOM eco-friendly, algae-based EVA footbed that helps clean polluted water habitats. Easy on handles