Shupeas Too are world's only expandable & adjustable baby shoes on the market. Just one size fits babies 0-18 months. Innovative technology offers a customized fit with each precious step...Adjustable VELCRO® brand closures guarantee no elastic ankles marks around delicate ankles. Expandable long-lasting, economical design offers a customized fit. Slip resistant, flexible soft soles promote good balance and comfort. Pediatrician and podiatrist recommended.