Reef Kids Grom Convertible Ahi (Infant/Toddler/Youth)Optional synthetic backstrap ONLY on sizes 3/4 Infant, 5/6 Infant/Toddler, 7/8 Toddler and 9/10 Toddler.Soft woven strap with polyester lining.Printed, contoured EVA footbed with anatomical arch support.Durable high-density EVA outsole offers light traction from the sand to the streets.Measurements:Heel Height: 5⁄8 inWeight: 3 ozPlatform Height: 5⁄8 inProduct measurements were taken using size 2-3 Youth. Please note that measurements may vary by size.