I bought my first set of these when my daughter was very young. Received the smallest size (3-6 months I think?). Was a bit big but worked great for her and the velcro helped hold it in place when she tried to take it off! The gloves are not very warm, but better than nothing. My daughter is now 2.5 years old and the original hat is getting quite comfortable so I thought I'd buy her a new one. I ordered a 2-3 year old size and it's huge for her (in fact, it fits my adult sized head!). Basically I can squeeze it and I think she can grow into it, but I really didn't want to buy a third one in between. Spring. I still love these sets, just order a size down if you're not sure.
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