Using this sweatshirt is easy - just put it on and enjoy! When it comes to maintenance, you can simply toss it in the washing machine as it's machine-wash safe. As for the color difference issue, don't be surprised if the actual sweatshirt looks a bit different from the preview image because of the lighting during the product photo shoot or your monitor's display. Also, remember that the artwork on this sweatshirt is copyrighted, so don't try to reproduce it.