Robeez On The Run Sneaker 100% Leather Imported Leather sole Easy on, stay on elasticized ankle design; flexible, non-slip suede soles. Shoes fit size 0-6 months 3.50"-3.75", 6-12 months 3.75"-4.50", 12-18 months 4.50"-5.25", 18-24 months 5.25"-5.75". Ultra soft , flexible leathers bend in all directions for added comfort. Approved by the American Podiatric Medical Association Soft sole shoes are great for children learning to walk indoors.