easier to open with the dominant hand.
Another theory suggests that men’s clothing was designed with practical activities in mind, including riding and military use.
However, just like the explanation for women’s clothing, there isn’t one universally accepted historical reason that definitively explains why men’s buttons ended up on the right.
Fashion Has a Long Memory
Once a convention becomes established, it can be surprisingly difficult to change.
Tailors, clothing manufacturers, and consumers become accustomed to a particular arrangement. Eventually, the difference becomes part of the visual language of men’s
