To use this tee, simply put it on like any other shirt. It's great for casual wear, workouts, or just relaxing. When it comes to washing, you can machine wash it in cold water with like colors. Use a gentle cycle to protect the fabric and the graphic print. Avoid using bleach as it can damage the colors. Tumble dry on low to keep the shape. If you want to iron it, use a low heat setting. And that's it! With proper care, this tee will last you a long time and keep you comfortable.