EU20 (9-12M) US4 Old Soles first-walker shoes are made from soft, flexible leather, with non-slip rubber soles. The breathable lining with a padded insole absorbs moisture keeping the feet cool in the summer and warm in winter. They have elastic backs and velcro fastenings making them easy to put on tiny feet. Comfortable for every day, this smart silver style is also great for a special occasion.