The white shirt is a classic that can be worn with a host of different styles. The first thing to consider is the type of fabric the shirt is made from. Cotton is the most commonly used, and there are different qualities available. You may also want to look at additional details such as the collar and the type of fastening. If you plan to wear the shirt on all occasions, opt for something lighter like a linen shirt. Once you've chosen the fabric and style, you should take the time to try it on to make sure it fits properly. For a more casual look, a slightly wider shirt may be appropriate, while more fitted shirts are better suited to more formal wear.