CPO Stars and Stripes Ball Cap. This hat is manufactured by Ottocap and has a Velcro strap for adjustment. I can add custom embroidery on the back of the hat. Please specify What you would like above and below the CPO Insignia. Each hat is custom made. If you want any extra embroidery please select and state what you want embroidered and where you want it on the hat. Select whether it is a CPO, SCPO, or MCPO Insiginia on the front and or you want additional text on the back.