The Birkenstock Milano is made from ultra-lightweight and highly flexible, single-piece EVA.The odor-neutral material is shock-absorbent,waterproof, and skin-friendly for a super comfy fitthat little ones will love.Not sure which size to order? Click here to checkout our Kids' Measuring Guide! For more helpful tipsand sizing FAQs, click here.Item # 499684UPC # 822698839300FEATURESPLEASE NOTE: The shoe's fit is medium width butlisted by Birkenstock as Narrow Fit or Regular Fit onthe item box.Waterproof & washable EVA upperAdjustable buckle strap closuresRound open toeEVA liningAnatomical contoured footbedEVA soleMade in GermanySize 13 based on measurements Preowned but in good condition!