What about tens of thousands of clothes? No, it's ruined on a belt

​"A rotten egg, bad gruel". Belt collocation inappropriate, may get other people's favor, also may exchange for supercilious look ridicule.
Some trousers is design of trouser loops, especially with obvious waist buckle, suggest a belt to wear, otherwise it will affect the appearance.
Choose and coat, trousers, shoes, or other accessories, color belt, the most error prone.
If the hidden waist buckle pants, also, and a jacket, trousers, shoes, or his accessories (such as watches), similar color or the same color belt:
A formal leather belt is more for showing the wearer's temperament. Choose "low-key forced lattice", the most plus points! So, classic black or brown calfskin leather belt, with a simple shape, belt button, is the first choice:
But the good custom trousers, even can adjust the waist. It's just a hidden waist button, so you'd better not wear your belt:
High clothing products of young people will choose the right waist, hidden waist buckle pants. Waistband, dress trousers is now fashionable to wear:

Wear jeans and other casual pants, usually with a waist loop, but you can according to the size of the fit, what clothes should be matched to determine whether the belt or not.