These men's casual shirts are a great addition to your wardrobe. To wear them, simply button them up through the single - breasted closure and adjust the turn - down collar for a neat look. They're perfect for casual outings. When it comes to sizing, remember to check the size chart carefully as different suppliers may have different standards. If it's Asian - sized, go for a larger size to ensure a good fit. For maintenance, these shirts made of polyester and spandex blend are quite easy to care for. You can machine - wash them in cold water with a gentle cycle. Hang them to dry to keep their shape. Avoid using harsh detergents as they may damage the fabric. With proper care, these shirts will serve you well for a long time.