My son (12 years old) is skinny but athletic, I gave him 10-12 and they are a bit loose.
He can still wear them and grow into them, but the underwear needs to be a bit tighter.
Funny Guy Mugs Tearaway Sweatpants: Playful Boys' Clothing for Fun and Active Days
49 Review
π₯ Stay Warm and Active with Rocky Fleece Thermal Underwear Bottoms for Boys
44 Review
π Boys' Outdoor Climbing Convertible Trousers - Waterproof | Clothing
47 Review
Arctix Youth Pants Reinforced: Large Boys' Clothing for Active Adventures
46 Review
Adorable SANGTREE Baby & Little Boy Tuxedo Outfit: Plaids Shirt + Suspender Pants for a Stylish Look
46 Review
πΆ Sleeve Striped Suspender Toddler Boys' Clothing Set
35 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