My son is 9 years old on average. The middle one fit him well, he just outgrew the size of the small one. I wish they made more cotton/spandex underwear, my son prefers this material over polyester/spandex. Most of the time he just sleeps in it.
Pack of 6 Baby Soft Cotton Underwear for Little Boys - Dinosaur Briefs, Toddler Shark Undies, Children Truck Panties
41 Review
π Russell Athletic FreshForce Protection: Boost Your Boys' Performance with Assorted Clothing
49 Review
Comfortable & Durable: Lucky & Me Noah π©² Boys Boxer Shorts 5 Pack - 100% Cotton Tagless Underwear
49 Review
π¦ ViCherub Boys' Black Large Underwear - Pack of 3 | Boys' Clothing Collection
42 Review
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
π₯ Stay Warm and Active with Rocky Fleece Thermal Underwear Bottoms for Boys
44 Review
Arctix Youth Pants Reinforced: Large Boys' Clothing for Active Adventures
46 Review