Officer on deck! The lightweight 100% polyester Star Trek Command Running Cap is the choice selection on running caps for officers of the Federation's Starfleet. Hey, if you are running around in the Delta Quadrant you wanna make sure that the indigenous population knows who they are dealing with...that is unless you come across the Borg or the Dominion...then you might be in some trouble. That's why it is important to work on your cardio...and wear the adjustable Star Trek Command Running Cap with moisture wicking fabric!