I bought it for my 14-month-old girl and it fit perfectly. I measured her thin leg after stepping on clay and it measured 11.8cm, so size 20 was ideal. It hugs nicely, has an elegant and convenient design, and the sole that covers more on the front side protects it from frequent hits, as the little one is still not very confident in her steps. It is lightweight and provides good support in the arch, which was important to me for her first steps and possible tendency for flat feet. Very good price considering that during sales, baby shoes in stores are around 45-55€ and have a maximum lifespan of 6 months.