Runs smallFit/Listing size = LabelUS 4 - 4.5 = US 5 BR 17 - 18 EU 19 - 20Baby/InfantMeliflex® construction - brand's specially formulated PVC that is 100% recyclableProvides flexibility & resistanceDynamic motion liquid & iridescent glitter filled 3D Seashell relief front detailDensely padded memory insole for comfortAdjustable Hook and loop closureSilver buckle accentRound closed toeFisherman sandal styleMade in BrazilMelissa shoes have a unique scent that is one of its hallmarks.Recycling, Sustainability, Community, CO2 Emission, Eco-friendly, Diversity conscious Vegan brandSizing recommendation:Measure from the back of the heel (the outermost part) to the longest toe for more accurate measurements, with feet weighted and placed flat on the floor. It's recommended to measure kids every month, but development can vary and children are susceptible to growth spurtsSizing Recommendation for this brand:Size up 0.5 - 1 size for extra space (about 1 cm)Product listings may have inaccuracies. Please send a message for any product inquiries.