Rules of Men’s Dress. 6. Thou shall match the color of his socks with the color of his pants. As an exception, socks can be matched to something worn above the waist such as a man’s shirt, tie, pocket square or suspenders (braces in the UK). 7. Thou shall match the color of his belt to that of his shoes... 24. Thou shall not wear a tie without a jacket. If done so, he will run the risk of looking like a waiter at TGI Fridays.