A little big.
My son is 1 year old and usually wears clothes for 12 months. I ordered 9 months and it fit great and still had some room to grow.
Black Bianco Signature Full Ensemble π Boys' Clothing in Suits & Sport Coats
53 Review
Visaccy Slim Fit Boys' Suits: Perfect Ring Bearer Outfit for Dressy Occasions
65 Review
Paisley of London Kingsman Blue Boys Slim Fit Occasion Wear: Formal Wedding Suit Set for Kids (X-Large - 20)
49 Review
Black Bianco Boys Solid Suit Boys' Clothing
55 Review
π₯ Stay Warm and Active with Rocky Fleece Thermal Underwear Bottoms for Boys
44 Review
Waterproof Cozy-Dry Rain/Snow Pants for π§ Kids by JAN & JUL, with Fleece Lining
64 Review
Arctix Youth Pants Reinforced: Large Boys' Clothing for Active Adventures
46 Review
π Bold Pack Sleeve Active Hoodie Sweatshirt Set for Boys' Clothing - Stylish and Comfortable!
47 Review