Almost all of my t-shirts, and a good chunk of my polos are random swag from various conferences or trainings, and all of the baseball caps I wear on a regular

Almost all of my t-shirts, and a good chunk of my polos are random swag from various conferences or trainings, and all of the baseball caps I wear on a regular basis are (Red Hat used to give out really nice ones). I couldn't really give a shit what I look like most of the time, however, so your mileage may vary. But I don't have to buy t-shirts...