The first shirt (blue) was perfect for my 5.10 year old son. This is XS size. The second (navy blue) came in size SX! The neck is stretched a little to fit over my son's head. My son is 18 inches tall and weighs 41 pounds.
π©² Boys' Protective Swimming Bottoms by City Threads - Swimwear for Enhanced Safety
56 Review
Pineapple Print Medium Boys' Spotted π Zebra Shorts - Trendy Clothing for Kids
52 Review
LUCOWEE Anti Chafe Boys Swim Trunks: Boxer Brief Liner & UPF Quick Dry Technology
55 Review
π Kanu Surf X Large Boys' Swim Rashguard Sleeve - Premium Protective Clothing for Swimming
43 Review
π₯ Stay Warm and Active with Rocky Fleece Thermal Underwear Bottoms for Boys
44 Review
Boys' Adidas Active Sports Tricot Athletic Clothing
45 Review
Waterproof Cozy-Dry Rain/Snow Pants for π§ Kids by JAN & JUL, with Fleece Lining
64 Review
Arctix Youth Pants Reinforced: Large Boys' Clothing for Active Adventures
46 Review