Hello! � � Converse Chuck Taylor All Star models do not have intermediate sizes (half sizes). If you wear 38.5, the general preference is usually two ways: If your foot is narrow, you can get size 38, because Converse models are generally a little big. If you have narrow feet or want a comfortable use, it would be better to choose size 39. If you want a more comfortable use, I recommend 39, if you want a perfect fit, I recommend 38. If you need me to help with something else, as KoraySpor, we are always by your side. � � ♂️