This men's long - sleeve casual shirt is a great addition to your wardrobe. To wear it, simply button it up and pair it with your favorite jeans or casual pants. It's suitable for various casual occasions, like hanging out with friends or going for a weekend stroll. When choosing a size, always refer to the size chart as different suppliers may have different sizing. If it's an Asian - sized shirt, go for a bigger size to ensure a good fit. For maintenance, you can machine - wash it in cold water on a gentle cycle. Avoid using bleach as it may damage the fabric. Hang it to dry to keep its shape, and you can iron it on a low - heat setting if needed.