What I read in the reviews led me to think that the large would be the same size as about a 12 for boys. That's definitely not true! I have a large size, it is very short and wide. This is more for my 4 year old than my 12 year old.
The Good Day Lab Clean Shield: Ultimate Comfort and Breathability in Tagless 4-Way Stretch Polo
43 Review
Boys' Long-Sleeve Disney Star Wars Marvel T-Shirts by Spotted Zebra
46 Review
Kid Nation Kids' Tagless Long Sleeve V 👕 Neck T-Shirts 4-12 Years - 2 Packs and 3 Packs
45 Review
Boys 3D Graphic Hawaiian Aloha Short Sleeve Dress Shirt Tops with Button Down - Sizes 2-8 Years by Uideazone
47 Review
Boys' Adidas Active Sports Tricot Athletic Clothing
45 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
Arctix Youth Pants Reinforced: Large Boys' Clothing for Active Adventures
46 Review