This charcoal marl oversized zip - up cardigan is super easy to use. You can wear it over your favorite T - shirt or blouse for a casual look. Just zip it up or leave it open depending on your style preference. When it comes to maintenance, it's best to follow the care instructions on the label. Generally, a gentle machine wash in cold water is a good idea. Avoid using harsh detergents as they can damage the fabric. Also, don't bleach it. After washing, reshape it while it's damp and lay it flat to dry. This will help maintain its oversized shape. Be careful not to snag the cardigan on sharp objects as the fabric could tear. With proper care, your cardigan will last you a long time and keep you looking stylish.