My grandson is 6 years old and weighs 84 pounds and I had to order 3 times before I found the right size for him. Stopped at the age of 11-13 years. They don't go by the usual sizes, but by age.
Boys 3D Graphic Hawaiian Aloha Short Sleeve Dress Shirt Tops with Button Down - Sizes 2-8 Years by Uideazone
47 Review
Van Heusen Sleeve Dress Poplin
42 Review
Kid Nation Kids' Tagless Long Sleeve V 👕 Neck T-Shirts 4-12 Years - 2 Packs and 3 Packs
45 Review
👕 Hanes Boys' Short Sleeve T-shirt Value Pack (3-pack) - Essential Wardrobe Basics
44 Review
👕 Bold Pack Sleeve Active Hoodie Sweatshirt Set for Boys' Clothing - Stylish and Comfortable!
47 Review
🍉 Fruit of the Loom 6 Pair Cushion Ankle Boys' Clothing: Comfy and Stylish Selection for Active Boys
57 Review
👖 Boys' Outdoor Climbing Convertible Trousers - Waterproof | Clothing
47 Review
Boys' Adidas Active Sports Tricot Athletic Clothing
45 Review