This humorous black t-shirt features a bold graphic design, perfect for those who rely on both insulin and coffee to power through their day. The design showcases the phrase 'I RUN ON' above an illustration of a coffee cup filled with a syringe, followed by 'INSULIN and COFFEE' in a warm, orange hue. The shirt appears to be made of a comfortable material, suitable for everyday wear. It's a fun and relatable statement piece that would be great for casual outings or as a gift for friends and family who share the same sentiment. This tee combines comfort, style, and a touch of humor, making it a great addition to any wardrobe.