This men's dress shirt is a great addition to your wardrobe. To wear it, simply button it up and adjust the collar. It can be paired with jeans for a casual look or dress pants for a more formal occasion. When it comes to maintenance, it's recommended to machine - wash it in cold water with like colors. Avoid using bleach as it may damage the fabric. After washing, tumble dry on low heat. As for sizing, remember to check the size chart for each item, especially if you're used to US sizes and are looking at Asian sizes. This will ensure you get a shirt that fits you just right.