My son wears a size 8 but I ordered a size 12 based on reviews that it runs small. Size 12 was true to size, so a bit large. Good quality and not thin.
π Kanu Surf X Large Boys' Swim Rashguard Sleeve - Premium Protective Clothing for Swimming
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π©³ Beautyin Toddler Boy's Swim Trunks: Printed Swim Shorts for Quick Dry Beachwear
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π Bold Pack Sleeve Active Hoodie Sweatshirt Set for Boys' Clothing - Stylish and Comfortable!
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