How to use: Simply button up the shirt and tuck it in or leave it out depending on your style preference. It can be paired with jeans for a casual look or dressed up with dress pants for a more formal occasion. Note: Make sure to check the size chart carefully before purchasing to ensure the best fit. Also, keep in mind that sizing may vary between different suppliers and brands. Maintenance: Machine wash this cotton shirt in cold water with like colors. Use a gentle cycle to avoid any damage. You can tumble dry it on low heat or hang it to dry. Iron on a medium setting if needed to keep it looking crisp.