Crocs Children and Junior Size GuideKeep your little one's feet happy in the Crocs® Kids Electro.Constructed from Croslite™ material for lightweight comfort. Ventilated design keeps you comfortable.Two-piece molded design for a unique look.Slip-on design with back strap.Cushioned footbed.Footbed conforms to foot creating a custom fit.Durable traction outsole.Crocs states these shoes should fit very loosely. The sides of your foot should not really touch the sides of the shoe. Your toes should never make contact with the front of the shoe. Once you have centered your foot on the footbed, you should have about a 1/4 to 1/2 inch of space in front of your toes and behind your heel. When you lift the strap, you should be able to comfortably get your finger between the strap and heel.Imported.Product measurements were taken using size 4 Toddler, width M. Please note that measurements may vary by size.Weight of footwear is based on a single item, not a pair.