In my contract I ask for velcro running shoes for indoor use to be left at my house - will accept robeez for infants up to 18 months but after that I want shoes because I want them to learn to do them. When they get to school this will be the rule so they might as well learn to wear them.

It protects toes from getting stepped on, stubbed toes, toys hurting toes when dropped, no slipping, gives better traction and helps the youngest stand properly with a flat foot - no tippy toes.