EU 24-25 (16.5 cm): US Kids' 9-9.5 (6.9 inches) EU 26-27 (17.5 cm): US Kids' 10-11 (6.9 inches) EU 28-29 (18.5 cm): US Kids' 11.5-12 (7.3 inches) EU 30-31 (19.5 cm): US Kids' 12.5-13 (7.7 inches) EU 32-33 (20.5 cm): US Kids' 13.5-1.5 (8 inches) EU 34-35 (21.5 cm): US Kids' 2-3 (8.5 inches) EU 36-37 (fits 35-36 feet): US Women's 4-5.5 EU 38-39 (fits 37-38 feet): US Women's 6-7.5 EU 40-41 (fits 39-40 feet): US Women's 8-9.5, US Men's 5.5-7 EU 42-43 (fits 41-42 feet): US Women's 10-11.5, US Men's 7.5-9 EU 44-45 (fits 43-44 feet): US Women's 12-13.5, US Men's 9.5-11