Yes it is. It makes you look like you’re 6 and on your way to Sunday School. If you don’t have a belt, don’t tuck your shirt. In other news, always be prepared to tuck your shirt. Repeating a personal color makes sense. So, wear a blue/grey/green-blue tie by all means. A dark blue that contrasts both the Stormtrooper This Sithmas I Feel Christmas Shirt in other words I will buy this shirt and suit will look good. Suspenders will show, if you take off the jacket. They would better not be the same color as the tie. The viewer’s eyes get busy watching 3 lines of the same color. A contrast helps. Do not wear a belt with suspenders, even if the picture shows that. The suspender is fulfilling the function of holding your trousers. I like to wear shirts that are fitted or have a small waistband so that they stay tucked in my pants. I also make sure to tuck in my shirt before I leave the house so that it doesn’t come untucked during the day. I have managed to keep my shirt tucked into my trousers since I was four years old, and it has never come out. What the hell are you up to to make it keep coming out?? If you’re comfortable, then tucking in your shirt is fine. If you’re not comfortable, then don’t tuck in your shirt. There’s no one answer to this question – it depends on your personal style and the formality of your new position. If you’re promoted to a more senior role within your company, you may want to consider dressing more conservatively to reflect your new status. However, if you’re promoted to a position that is less formal, you may be able to get away with wearing a tucked-in dress shirt for a longer period of time. Ultimately, it’s up to you to decide what feels most comfortable and stylish in your new role.