To make sure they are the right size when you get them just force your foot forward as far as you can and if your toes are at the front and your heel isnt hanging off the back you have the right size. These shoes are not only pretty they are comfortable and the straps do not bind on the foot, they hold firmly not squeezing. I ordered another pair of slippers for my other granddaughter in Medium. Not only are they very comfortable (I stand on my feet for 8 hours a day). Mit dem 44. The foam is rigid but soft and the shoes feel plenty durable for a camp shoe or a water fording option when backpacking. I initially thought that the suction cups did not work and I read a review where someone else had a similar problem. Has a leak in it! My daughter is about 4 lbs 10oz right now and the hat completely is too small and the outfit fits but is smaller than some preemie clothes i have for her, if you have a tiny tiny preemie this will fit well but if youre over 5 lbs it wont They are marginal more expensive than wired earphones.