DHa RCO Curved Peak Trucker Cap Peak Cap If your head is in need of covering, you'll want to wear a comfortable hat. The DHa RCO Curved Peak Trucker Cap has a curved brim peak and mesh back panels for increased airflow. This hat fits heads from 55cm to 60cm. Features Material: cotton and polyester blend Mesh back panel for increased airflow Sizing: 55cm to 60cm | Dharco | Curved Peak Trucker Cap In Ambush Unique | Polyester