This men's casual shirt is perfect for everyday wear. To wear it, simply button it up and adjust the collar. You can pair it with jeans for a relaxed look or with dress pants for a semi - formal occasion. When it comes to sizing, always check the size chart as different suppliers have different sizing. If it's Asian - sized, go for a bigger size. For maintenance, you can machine - wash it in cold water with like colors. Avoid using bleach. Tumble dry on low and iron on a medium setting if needed. This shirt made of cotton, polyester, and linen will stay in good shape with proper care.