These are perfect for my toddler on almost every adventure.. indoor, outdoor, hardwood floors, grass, bounce houses, you name it! If you're going on really hot concrete I'd pick something thicker, but otherwise these have been great for nearly everything! The bottoms are very grippy material, while still being soft enough to roll between your fingers, which is ideal for their growing feet because it allows them to keep their natural shape and flexion, unlike hard-soled shoes. Added bonus, they a...