These soft sole shoes are essential for good baby feet development, but the robeez crib shoes leave red marks on my 1 year old's ankles.  I tried the mary janes and like them a lot but I ordered the 12-18 month size and they are too big for her feet and fall off.  Ordered these in a 6-12 month (for my smallish 15 m. old) and they are perfect.  FYI the 12-18 m. crib shoes fit fine but also leave ankle marks, even through socks.