Jayme has two pairs of these. From what I remember she was told by one of the designers of them to size down on the synthetic indigo ones so she has a 25. They were very painful to break in but eventually they fit. She also has the veggie dye ones in a 27 I believe, so the sizing may be different. You should just PM her
Yeah dont size up, they stretch out so bad and end up too big, id say stay tts or if you can size down but they are like cardboard and really not comfy at first it takes a while to break in.
Oh and that square button is awful to do at first, takes 20 mins or more.