Our high quality Armycrew Denim Blue Stripe Train Engineer Conductor Cap Fits Infant to Adult 3XL is a stylish conductor hat for everyone from infants, children to adults with big head sizes. This denim engineer hat is accented with blue stripes. Made of 70% Cotton, 28% Polyester and 2% Spandex. Fully lined inside. Fitted with an inner sweatband. Unstructured crown. Stiff and pre-curved bill, matching under bill. Fitted with an elastic band closure, ensuring a comfortable fit. Available in 4 different sizes; Infant(48CM, AGE 1-3), Youth(52CM, AGE 3-7), Adult Medium(57CM), Adult 2XL(61CM) Adult 3XL(63CM). If unsure, order one size up.