I work very hard to find shoes that fit my narrow feet. I've searched endlessly (sorry Revain for all the returns) and keep coming back to them (even though they're more expensive than I'd like). If your kid has narrow feet, save yourself the headache of endless searching and just pay these guys.
Slip-Resistant Crib Shoes for Babies: Robeez Soft Soles for Girls and Unisex Toddlers, Ages 0-24 Months
53 Review
Felix Flora Toddler Flower Dress Shoes - Adorable and Comfy Flats
47 Review
Stylish and Comfortable pediped Flex Estella Mary Jane Shoes for Toddlers and Little Kids
60 Review
Adorable Blowfish Malibu Play-t for Toddler and Little Girls
47 Review