This black t-shirt proudly displays the message '13.1 I'M ONLY HALF CRAZY' in bold white lettering, perfect for marathon runners with a sense of humor. Featuring a silhouette of a runner alongside the '13.1' detail, it's a great conversation starter. The classic fit and comfortable fabric make it ideal for casual wear, running errands, or even wearing to your next race. Show off your passion for running and your lighthearted spirit with this unique tee.