Shelpers.com, Amazon.com and GhostRiderLeather.com are some retailers that sell black leather dusters. Several styles are available in both men and women's sizes. Black leather dusters are usually available at other retail sites as well, including Overstock.com and eBay.com.
Shelpers has black leather dusters as well as the traditional brown leather oilskin versions. These coats are available in full- or jacket-length styles. This company also offers dusters made of canvas material and a yellow waterproof rain slicker.
Ghost Rider Leather has several styles of black leather dusters for both men and women, while Amazon.com has less expensive costume versions of the coat.