My 4 year old son wears size 10 shoes. Based on sizing recommendations I have 9.5C - 12C USA socks (6-8 years old) bought from six packs. They were quite large, kept slipping off the legs and had to be constantly tightened. So the size recommendation doesn't work. The colors are great and the material is dense, but the tablets are over the top (although they air dry most of the time). I have to keep trimming the pillings as they turn into big balls of thread on the inside of the socks making them very uncomfortable to wear.
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