Show off your sense of humor with this funny marathon runner t-shirt. The shirt is black and features a graphic of a runner above the phrase 'This seemed like a good idea 4 months ago.' This shirt is perfect for runners who like to laugh at themselves and want to share their experience with others. The shirt is a great conversation starter and is sure to get some laughs from fellow runners and spectators alike. It is also a great gift idea for the runner in your life. The t-shirt appears to be made of a comfortable cotton blend fabric, making it ideal for casual wear or light workouts.