My son wears a 4/5 t-shirt but I ordered a small 5/6 boys t-shirt and it fits perfectly ! Denim jackets must be large enough to be worn under a shirt or hoodie and can also be buttoned up if necessary. Be sure to order more if you're going to get one. It's adorable and he looks really cute in it.
HAPIU Toddler Waterproof Coverall Original Boys' Clothing in Jackets & Coats
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Adorable Arctix Kids' Dancing Bear Snow Suit Keeps Your Little One Warm and Stylish on the Slopes
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Red SOLOCOTE Windproof Outwear for Boys Ages 7-8 - Heavyweight SW18018
54 Review
Maoo Garden Winter Quilted Boys' Clothing and Jackets & Coats: Stay Warm in Style
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64 Review
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44 Review