This black t-shirt features a playful design for runners with a sense of humor. The phrase "I fartlek when I run" is printed across the chest, using a combination of black and red text to create a visually striking statement. The shirt appears to be made from a soft, comfortable material, perfect for workouts or casual wear. This tee is ideal for runners who want to add a touch of humor to their athletic wardrobe and stand out from the crowd. Get ready to turn heads and spark conversations with this unique running t-shirt. Available in various sizes.