6. Kiton
Average Retail Price Online: $3,130
Originally founded in 1956, the name is derived from the word chiton which would eventually be called by the Romans as the tunic. The company is known to be one of the largest producers of men’s suits around the world and their wares are known to be of the most expensive among brands. They also expanded to New York, opening a $40 million flagship store and the prices of their clothes online assure their position as the 6th most expensive clothing brand for men.