We bought size 7 for a skinny 7 year old girl and there is nothing special to grow. So I disagree with some reviewers who say it's big. Unfortunately, the following two sizes are not available from Best Buy, so don't worry about returns.
LUCOWEE Anti Chafe Boys Swim Trunks: Boxer Brief Liner & UPF Quick Dry Technology
55 Review
👕 Stay Safe in Style: Kanu Surf Boys' Protective Rashguard in Charcoal
44 Review
👕 Large Boys' Clothing - Kanu Surf Stripe Trunk
42 Review
🩳 Beautyin Toddler Boy's Swim Trunks: Printed Swim Shorts for Quick Dry Beachwear
46 Review
🔥 Stay Warm and Active with Rocky Fleece Thermal Underwear Bottoms for Boys
44 Review
👕 Bold Pack Sleeve Active Hoodie Sweatshirt Set for Boys' Clothing - Stylish and Comfortable!
47 Review
Arctix Youth Pants Reinforced: Large Boys' Clothing for Active Adventures
46 Review
🍉 Fruit of the Loom 6 Pair Cushion Ankle Boys' Clothing: Comfy and Stylish Selection for Active Boys
57 Review