
It is an elastic fabric that sticks to the skin. But it fit my son as I expected. He loves these pajamas, they are very comfortable and the color is so bright. He didn't like the tags on the side of the t-shirt so I had to cut them off. Most come untagged, that wasn't it.

Snug-Fit Cotton Pajama Sleepwear Sets for Kids featuring Disney, Star Wars, and Marvel by Spotted Zebra
54 Review

VAENAIT BABY Kids' Soft and Comfy Modal Tencel Sleepwear Set for Boys and Girls - 12M-12Y, Shirring Solid Pajamas
46 Review

VAENAIT BABY Viscose Toddler Pajama Set - Short Soft Shirring Cool Sleepwear for Boys and Girls, Ages 12M-12Y - 2pcs Set
48 Review

Amazon Essentials Snug Fit Pajamas - Stylish Boys' Sleepwear & Robes Collection
44 Review

π₯ Stay Warm and Active with Rocky Fleece Thermal Underwear Bottoms for Boys
44 Review

π Fruit of the Loom 6 Pair Cushion Ankle Boys' Clothing: Comfy and Stylish Selection for Active Boys
57 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