I bought two for my boys ages 2 and 3. They were adorable on Easter Sunday! I had them try on their costumes the day before and they were very adorable! If I had to say one bad thing, the pants were a bit big. I have a feeling a 4-5 year old would do just fine with 3T. My 3 year old would probably fit 2T. Also, my boys said they liked it too. I would recommend!
Calvin Klein Kids' 2-Piece Formal Suit Set
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