These men's casual shirts are easy to wear. Just put them on like any other shirt. They're great for daily outings, meetings with friends, or even a casual work environment. When it comes to sizing, make sure to check the size chart as different suppliers may have different measurements. If it's an Asian - sized shirt, it's a good idea to go a size up. To keep these shirts in good condition, machine - wash them in cold water with like colors. Avoid using bleach as it may damage the fabric. Hang them to dry to prevent shrinking. Iron on a low - heat setting if needed, and they'll look as good as new for your next casual event.