Barbara has a simple strap closure and breathable leather lining, this sassy Mary Jane is sure to be "top-of-class". Flex are the perfect choice for your confident walkers who have developed a solid, natural stride. With cushioned arch support and a soft, flexible rubber sole, Flex ensure comfort and healthy foot development. In addition, the pediped Flex Fit System allows you to adjust the fit of your Flex shoes to prolong wear. Flex styles will also arrive to you non-toxic and have no shoe protectant chemicals on them. We leave the treatment of this to the discretion of the parents. Great shoes for School, Parties, Celebrations, Festivities, Outdoor play, The Park, ultimate possibilities. Technologies include: - The Flex Fit System provides additional insoles that can be inserted for a snug fit then removed for room as your child's foot grows. These insoles can reduce shoe size by almost half a size, extending the life of the shoe.