Show off your running prowess with this bold black t-shirt. Featuring the statement, "I'M ONE BAD MOTHER RUNNER!", this tee is perfect for dedicated runners with a sense of humor. Made from a comfortable material that looks like cotton, this short-sleeved shirt is ideal for workouts, casual wear, or making a statement at your next race. Get yours today and let everyone know you're not to be messed with on the track!