To key to styling broad-shouldered women is to highlight the broadness, not hide it. Here's how to effectively dress broad shoulders on women.
Broad-shouldered women can definitely wear off shoulder outfits as long as the natural shape and broadness of their shoulders are "accommodated". Find out how in this article.
If you have broad shoulders, the key to looking good is by NOT "hiding" your shoulders. Here's a detailed explanation as to why it's more flattering to show them off than "canceling out" their broadness.
Can broad shoulders wear sleeveless? Learn the best sleeveless outfits that flatter broad-shouldered women.