The reason I've specified the size as 23-23.5cm is because I sometimes found 23.5cm shoes to be tight, and I would remove the insole. I've noted this for clarity. Several years ago, I was looking for sneakers that were gentle on my feet and purchased and used them regularly. The color is a muted gray, so I enjoyed adding embellishments to them myself. I hope that those who understand that this is a used item will consider purchasing it. Please consider carefully.