I ordered a size 6 hoping it would fit my average age of 5.5 next winter. It most likely won't happen if it doesn't grow at all by then. I would order two sizes up if you want it to last more than a few months.
HAPIU Toddler Waterproof Coverall Original Boys' Clothing in Jackets & Coats
60 Review
Insulated Spruce Jacket for Boys by Arctix
62 Review
Waterproof Hooded Rain Jacket for Kids - Lightweight Fleece Lined Coat for Boys and Girls - Windbreaker Raincoat
64 Review
Adorable Arctix Kids' Dancing Bear Snow Suit Keeps Your Little One Warm and Stylish on the Slopes
56 Review
Arctix Youth Pants Reinforced: Large Boys' Clothing for Active Adventures
46 Review
π Boys' Outdoor Climbing Convertible Trousers - Waterproof | Clothing
47 Review
Boys' Adidas Active Sports Tricot Athletic Clothing
45 Review
π Bold Pack Sleeve Active Hoodie Sweatshirt Set for Boys' Clothing - Stylish and Comfortable!
47 Review