This men's casual shirt is a great addition to your wardrobe. To wear it, simply button it up and style it according to your preference. You can pair it with jeans for a laid - back look or with dress pants for a more semi - formal occasion. When it comes to sizing, remember to check the size chart carefully as different suppliers have different sizing standards. As for maintenance, it's recommended to wash it in cold water with like colors to keep the fabric in good condition. Avoid using bleach as it may damage the polyester and spandex material. You can tumble dry it on low or hang it to dry. This shirt is easy to care for and will serve you well for a long time.