Join the crew of the Enterprise! You're going to look great as you keep the sun out of your eyes with this Star Trek Command Adjustable Black Hat that carries the yellow insignia of the Command branch right on the front of the cap. The Star Trek Command Adjustable Black Hat is a structured brushed-cotton twill 6-panel cap. Fully adjustable, it's back feature's a mid-profile flexible velcro closure with the Roddenberry logo. One size fits most adults.