38 was like 37. A nice shoes, but we had to send it back because it was too small. Inside the lining slightly wavy at the toes, which my daughter has already disrupted at another Ricosta in gray, we had tried in the shoe business. We now have another in silver gray, which is also of Ricosta and she wears a lot. Ricostatex has passed all endurance tests with us and held tight, with very good breathability.