Your choice of the shirt that you wear with the suit will become more important when you decide not to wear a tie, the more casual or fashionable the shirt you wear, the better it will be. It is advisable to wear a classic oxford shirt, or a shirt with a limited number of buttons, or made of colored fabric with patterns.
Open the first two buttons on the shirt
When you decide to wear a suit without a tie, it will be better to open the first two buttons in the shirt, at least leave the first button open until you appear in a distinctive and casual look, and at the same time make sure that your underwear is not visible.
When you wear a tie with a suit, you add a lively touch to your clothes, and with its absence, you will need to add something to your look to make it vibrant, such as wearing accessories, including wristwatches or a pocket square.
Wear clean, shiny shoes
Skipping the tie makes the shoe more important and increases attention to it, so you have to pay attention to the details of the shoe you decide to wear, while cleaning it and maintaining its shine.