Definitely one size up. Such a cute and high quality fabric. My child is about 35 pounds and 38 inches and the 4T fits but is a bit tight after washing and drying. I want to get 5T.
RAISEVERN Baby Girls Halter Romper with Backless Design, Sleeveless Jumpsuit featuring Pocket for Toddlers, 1-5T
29 Review
Capezio Short Sleeve Leotard: Stylish Girls' Clothing Jumpsuit & Romper
39 Review
π RAISEVERN Sleeveless Backless Jumpsuit in Girls' Clothing, Jumpsuits & Rompers
29 Review
Yousie Toddler Dinosaur Girls' Jumpsuit Romper - Stylish Clothing for Kids
38 Review
Hollhoff Gymnastics Playgrounds Shorts - Breathable Clothing for Girls
48 Review
C9 Champion Girls Supersoft Bright Girls' Clothing and Active
46 Review
Dancina Toddler Leotard Flutter Sleeve Girls' Clothing for Active
55 Review
Amazon Essentials Little Short Sleeve Leotard Girls' Clothing for Active
61 Review