What is your bodyframe type?
You can find what bodyframe type you are from the article below.
The summary of body features of each bodyframe type
Suitable Belt for Each Bodyframe Type
Since the design of belt for business occasions should be neat, simple leather belt colored brown or black is useful for everybody.
A studded belt is not recommended for adult men because it is too casual and it makes they look childish.
Suitable Belt for
MATERIAL：Leather, Silver-finished Buckle
STRAIGHT type matches simple neat design belt. A belt made of good quality leather and silver-finished buckle is recommended for them.
The strap width of a belt should be standard, not too wide nor narrow, middle width one is better for them.
Since STRAIGHT type matches formal basic designs, they matches a simple design belt made of neat leather colored black or brown and simple design buckle.
You can read all the articles from below.
3TYPE BODYFRAME METHOD for WOMEN