The LA&M is dedicated to "The compilation, preservation and maintenance of leather lifestyle and related lifestyles [including but not limited to the Gay and Lesbian communities], history, archives and memorabilia for historical, educational and research purposes."

The Leather Archives & Museum is a library, museum and archives pertaining to Leather, fetishism, sadomasochism, and alternative sexual practices. The geographic collection scope is worldwide and includes all sexual orientations and genders. The library collection contains published books, magazines, scholarly publications, films and electronic resources related to the subject matter. The museum collection contains original erotic art and artifacts from alternative sex organizations and individuals. The archival collection contains unpublished papers and records from notable activists, artists, businesses and organizations related to the subject matter.