This men's suit set is a great choice for formal occasions. To wear it, simply put on the jacket and pants like you would with any regular suit. When choosing a size, make sure to check the size chart carefully as different suppliers may have different measurements. If it's an Asian size item, consider going a size up. For maintenance, it's recommended to dry clean the suit to keep it in good condition. Avoid washing it in a regular washing machine as it may damage the fabric. Also, store the suit in a cool, dry place to prevent wrinkles and keep its shape.