To use this shirt, simply put it on like any other casual shirt. It's great for everyday wear, whether you're going out for a walk or meeting friends. When it comes to care, it's best to follow the washing instructions on the label. Usually, you can machine - wash it in cold water with like colors. Avoid using bleach as it may damage the fabric and the print. After washing, tumble dry on low or hang it to dry. When ironing, use a low - heat setting to prevent any damage to the polyester - spandex blend. And always double - check the size chart before purchasing to ensure a perfect fit.