I love these sandals and more importantly my picky 10 year old loves them too! Your foot is just over 8 1/2 inches and is of regular width (not narrow). Size 3 for big kids is perfect with plenty of room to grow. They have soft, thick soles and their favorite bright red color! It may not be an authentic brand (packaging says Made in China) and shoes DO NOT say USA. Delivery was very fast! UPDATE - It's been almost a year and these sandals still fit and still look great after a lot of hard play! They are comfortable too!
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