My son is skinny 12. We bought the large and it fits perfectly. Nice and warm too. We used to buy compression shirts but they were very thin and it was almost cool not warm. It's perfect for a cold baseball morning.
Funny Guy Mugs Tearaway Sweatpants: Playful Boys' Clothing for Fun and Active Days
49 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
π Moyikiss Studio: Stylish Boys' Clothing Sets with Gentleman Suspenders
43 Review
Adorable SANGTREE Baby & Little Boy Tuxedo Outfit: Plaids Shirt + Suspender Pants for a Stylish Look
46 Review
π SANGTREE Baby Boys Clothing Set: Dress Shirt with Bowtie + Suspender Pants, Sizes 6M-6Y
34 Review
π Burgundy Boys' Clothing: Nwada Suspenders for Dapper Young Gentlemen
33 Review