The product’s upper garment is made of Xinjiang long-staple cotton, which has a 40% higher breathability than regular cotton. Even when children are running and playing in the sun, it can quickly wick away sweat and prevent overheating. It is a blended fabric of 95% cotton and 5% spandex, with reinforced treatment at the top for doubled durability, ensuring no restriction during running, jumping, squatting, or sitting. Size: Children’s clothing code 80CM-120CM