I purchased these booties for my 4.5 month old son, at 6 months he is growing fast, but these booties still fit him well, granted they are the 6-12 month size, but he's a big guy and I have a feeling I'm going to get some great use out of these booties.  He has been wearing them almost all the time.  I have a pair of Robeez, but I far prefer these, the quality is a 100 times better, they are luxuriously soft and the leather is baby skin soft.  I love the Chocolate color, it goes with all of his outfits,  except the black ones, unless I"m pairing them with a brown top or something.

I highly recommend these booties, no issues with dye, and cleaning them has been a dream.