Diesel Power Plus Cummins Oil Engine Mesh Truckers Hat Historic Logo Cap Summer Throwback cap features our historic logo and soft back mesh to help you keep a cool head. Handsome details include all-over thick stitching, red felt patch, and bean stitched letters. Unstructured heavy canvas peak and adjustable Velcro closure. Black/Khaki. Embroidered Cummins Oil Engine logo center front.