It's very simple. A good suit has to consists of 3 things.
First and foremost, you need to have the right advice and make sure that suit fits you perfectly. No matter how expensive suit you buy, it leaves bad impression if it fits wrong. A suit HAS to fit properly.
Secondly, it must be made of a good fabric. There is a difference between delicious Italian luxury wool and cheap fabrics made of polyester. We do not compromise and work only with the best and most reputable suppliers in the market.
And finally the manufacturer of the suit itself must be the highest quality. A suit should make you look elegant and at the same time highlight your masculinity. It is an art that is not all manufacturers can deliver. It can ours though, as they have been doing it for centuries.