In the pants or outside? Everyone arose once the issue of how to wear a shirt with jeans. The choice is made based on several criteria including the length of your shirt.
What kind of shirt are you wearing?
The main criterion for whether you should wear your shirt inside or outside of your jeans is the nature of this shirt. If there is a suitable model for the costume , the length is often more important than on a shirt casual. It is therefore not advisable to leave your shirt in your pants. Otherwise, you will end up with a shirttail happens in the middle of the thigh. Conversely, the more casual shirts are often quite short and it is sometimes impossible to house them in jeans. Until we see your skin above the waist, it passes.
Our advice: if you are not totally comfortable with your shirt tucked into your jeans, consider adding a jacket for an overall smoother rendering.
And the T-shirt under the shirt?
Again, it depends on the shirt and jacket, but let the shirt off your jeans in all cases. Avoid tank top under a white shirt could do as your grandfather. According to mbakecheng.com, prefer a white shirt and jeans with a shirt or plain -white preferably black. True, the look hipster watching you, but the result is often elegant.
Opening or closing? You choose, both styles are possible, but if you want to highlight a beautiful shirt, unbutton. And please, no more long shirt the shirt.