These long - sleeve shirts are super easy to use. Just put them on like any regular shirt and you're ready to go. For maintenance, they're machine washable. But remember to turn them inside out before you throw them in the washing machine. This helps to preserve the logo on the front and back. As for storage, just fold them neatly and put them in your closet. No special treatment needed. Enjoy your stylish and comfortable classic Dirty long - sleeve shirts!