Here's quite an interesting bookmark I just ran across from 2012 from The New York Times. Most important quotes follow if you don't read the whole article.
We think not just with our brains but with our bodies. Our thought processes are based on physical experiences, and those experiences include the clothes we wear.
"I love the idea of trying to figure out why, when we put on certain clothes, we might more readily take on a role and how that might affect our basic abilities," said Joshua I. Davis, an assistant professor of psychology at Barnard College.
It has long been known that "clothing affects how other people perceive us as well as how we think about ourselves," Dr. Galinsky said.