Men's suits may be sub-classified into formal suits, lounge suits, casual suits and blazer suits. Here are some tips on wearing a suit.
A suit should go together with a shirt and a necktie or a bow tie on formal occasions. The collar and sleeves of the shirt should be well matched with those of the suit and 1.5 or 2cm longer than those of the latter in order to prevent any wearing damage or stain on the suit. In addition, the lower part of the shirt must be kept inside the pants.

     The collar and lapel are such important parts of the suit that the collar of a shirt and the width of a tie should be in harmony with them. It is not appropriate to wear a small-lapel suit along with a wider-point-collar shirt or a broad tie. Usually the formal suit is so perfectly shaped and matched that it should just fit you well when the purchase is made. Any loose suit should be avoided. No heavy and thick clothes should be worn inside a suit, such as a sweater. If the weather is cold, a Chesterfield coat is the ideal overcoat to accompany a formal suit.

    For a single-breasted suit, the top button should normally be done up, and left open when the suit wearer sits down. Nevertheless, the buttons of a double-breasted suit should never be all unfastened at any time. At least one button should remain fastened whenever you are walking around or lounging comfortably in a sofa.

    In order to keep a harmonious elegance, some attention should be paid to details in selecting the tie, belt, pants and leather shoes. Fancy hose and white socks are inappropriate with a suit and the color of the shoes should match that of the suit. Last but not least, make sure that the label sewn on the cuff is removed