Cotton blend Imported Pull On closure Machine Wash Design - Short sleeve, crewneck, baseball print on chest front, ''All the ballpark is where I spend most of my days'' letters printed on back, summer gray t-shirt tops, matching with baseball white drawstring shorts. Material - The baseball t-shirt with shorts are made of cotton blend, soft and breathable, soft and breathable, caring for your baby's skin, your baby will feel comfortable and cool in summer.