I first bought a size 8 as a gift for my grandson's 7th birthday. That size wasn't even close! More like a 5. He's tall for his age, but the first pajamas were small. I exchanged it for a size 10 for free and it fits great.
π Mud Kingdom Toddler Collar Pajama: Stylish Boys' Clothing for Comfortable Nights
45 Review
Amazon Essentials Snug Fit Pajamas - Stylish Boys' Sleepwear & Robes Collection
44 Review
VAENAIT BABY Viscose Toddler Pajama Set - Short Soft Shirring Cool Sleepwear for Boys and Girls, Ages 12M-12Y - 2pcs Set
48 Review
π The Children's Place Kids' Holiday 2 Piece Cozy Cotton PJs
43 Review
π Fruit of the Loom 6 Pair Cushion Ankle Boys' Clothing: Comfy and Stylish Selection for Active Boys
57 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
Funny Guy Mugs Tearaway Sweatpants: Playful Boys' Clothing for Fun and Active Days
49 Review