To wear this shirt, simply button it up and adjust the collar to your liking. It's suitable for various casual occasions. When it comes to washing, follow the care instructions on the label. Usually, it can be machine - washed in cold water with like colors. Avoid using bleach as it may damage the rainbow stripe pattern. After washing, tumble dry on low or hang it to dry. Iron it on a low - heat setting if needed. Also, always double - check the size chart before purchasing to make sure you get the right fit.