Based on a lot of reviews stating these ran small I went up a size and bought 4t for my 31lb almost 3 year old who is in between size 5 and 6 diapers. He is quite tall for his age. They are actually a bit big on him and 3t probably would have fit perfect but these should continue to fit throughout the winter if we still need to use them. So I would say if your child is in size 5 diapers as around 30lb the 3t size would fit just fine.
6 Pairs Of Cozy Animal Wool Socks For Boys And Girls - FNOVCO Winter Warmth For Children
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Aablexema Newborn Cotton Footie Pajamas With Mitten Cuffs And Double Zipper, Infant Sleeper Onesie With Footed Play For Better Sleep
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Warm & Stylish Fall/Winter Outfit For Infant Boys & Girls: FYBITBO Hooded Jumpsuit Romper Onesie
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Flower Print Baby Moccasins For Girls With Rubber Or Soft Sole - Tassel Bow PU Leather Ballet Dress Shoes For Toddler By HONGTEYA
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HONGTEYA Baby Moccasins With Fleece Fur Lining, Rubber Soles, And Leather Upper - Warm Snow Boots For Boy And Girl Infants
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Hard Soled Leather Baby Moccasins With Tassel Design For Boys And Girls - Hongteya Crib And Toddler Shoes
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