This is a cute set, my son is 4 1/2 (40 inches) and the pants are very roomy in the legs, the elastic waistband helps hold them up and shirt tucks in. He's on the thin side, but that's okay. A big disadvantage is that the tie clip is too short for the set size. I ordered a different clip tie from another Amazon seller that fits his size better. It will probably be a good length for a 2 year old.
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