For most men, one of the most important things you will ever buy is a smart, formal suit. You may choose to buy one for any number of reasons. You may be attending a wedding, Christening or funeral. You may be going for an important job interview. Or it might be your first day in that dream job and you want to look your absolute best. Whatever the reason for buying that suit, such an expensive purchase needs to be absolutely perfect as you will probably be calling on it for years. But suits can also be a bit of a minefield. The fit is super important. To be smart…