Perfect hat for the infants. Made of 100% Cotton. Stiff and pre-curved bill. Low profile. unstructured crown. 6 eyelets for easy cool off. Fitted with an inner hat band. hook and loop closure. One size fits most infants. This hat measures to Fitted Hat size 6, Circumference of 19in (48 cm), Crown is 3.5 inches deep and the bill measures 2.25 inches long.