Koolaburra Little Kids (Toddlers?) Bootie Slippers - Fluffy Shearling and Suede Fold Over Style, Very Warm and Cozy! Sizing info is not found. The slipper outsole/footprint area measures 5 inches, but the inside is so full of wooly fluff that the foot would need to be much smaller to fit comfortably. Condition: These little bootie slippers appear unused but there are no store tags or box. No size or material content info is found. The OUTSIDE footprint area measures 5 inches with a very fluffy interior. Smoke-free seller. Made in Australia by Koolaburra (later bought by UGG) Can be worn with the sides up or folded over. Suede bottoms, not designed for outdoor walking. The laces are clean and soft, may not be original.