The detail of the pocket sewn on the shirt is for many indispensable, for other impassable.
The rule, though not so strict, would be that in elegant environments, under a jacket, ceremonies, it would not want the pocket, on the contrary if the shirt is worn more easily in leisure time is admitted.
The truth is that the shirt without the pocket is more "clean" and essential and our eye looks more elegant and formal.
On the other hand, the jacket of the shirt is not seen when a cloth jacket or a full dress is worn, so it is not known if it is not filled in a coarse manner.
In military-style shirts, the presence is the fixed rule, even become two and often have upper skirts and bellows to hold better.
The quality fantasy shirt always has a seamlessly combined seam pocket and perfectly matches the underside of the shirt.
