This worked for what I wanted. I wore it for my 6 year old son. I wanted a more snug fit, not "something for it to grow into". I ordered 6 (my son usually wears a 6/7 or M8-10 depending on the brand) 6 fitted well but were a little short on the arms and they were about waist level.
π Comfy Cotton Knitted Pullover Sweaters for Boys - Gioberti's Stylish Clothing
3 Review
Gioberti Kids and Boys Knitted Pullover Sweater with 100% Cotton and Button-Down Collar
18 Review
Adorable Tipsy Elves Ugly Christmas Sweaters for Kids - Fun and Tacky Children's Holiday Pullovers
3 Review
π Kids' Sleeveless Uniform Sweater Vest with V-Neck and Argyle Knit Plaid Design
4 Review
π₯ Stay Warm and Active with Rocky Fleece Thermal Underwear Bottoms for Boys
44 Review
π Fruit of the Loom 6 Pair Cushion Ankle Boys' Clothing: Comfy and Stylish Selection for Active Boys
57 Review
Arctix Youth Pants Reinforced: Large Boys' Clothing for Active Adventures
46 Review
π Boys' Outdoor Climbing Convertible Trousers - Waterproof | Clothing
47 Review