Muir Cap
A muir cap is a flat-topped leather cap that is associated with gay leather, biker, and BDSM communities. While not unique to the leather subculture, it is most commonly found in Dominant/Top gay leathermen communities, and is usually worn by those who are considered experienced or "a Master." But it is not worn only by men. Today, women, leatherwomen, lesbians, queer people, trans people, nonbinary people, and people of many genders may wear Muir caps or similar leather covers.
In leather culture, the Muir cap can signal authority, masculinity, dominance, experience, or connection to leather history. The cap is usually received as a gift. It is a statement from the gifter, signifying their respect to the person's involvement in the community. It can also simply be worn as leather gear, fetish fashion, or a symbol of self-expression.
Muir caps are often customized with badges, pins, chains, metal bands, or replacement chin straps. In leather and biker communities, these additions may reflect personal taste, event history, club culture, military or uniform aesthetics, or connection to leather tradition. Some riders and leathermen added “run pins” from motorcycle meets or events, while winged badges, eagle motifs, and USAF-style insignia became common decorative choices.
In some older leather communities, the decoration on a Muir cap could carry meaning. A silver brim, metal brim band, or chain was sometimes used to signal that the wearer was a Top. An undecorated cap could be associated with bottoms. However, this was not a universal rule. Meanings varied by region, era, and community, and many people today wear silver-trimmed Muir caps simply because they like the look.
Today, a silver chain, brim band, or badge may carry role significance in some older leather circles. It may also simply match the wearer’s other gear.
Origins of the Term
The name comes from Muir Cap & Regalia, a Toronto company that has been making the cap since 1875. It was initially a uniform/regalia-style cap.
The cap’s kink/leather meaning developed later, through the overlap of postwar motorcycle culture, gay leather culture, military/police uniform aesthetics, and Tom of Finland-style imagery. The Satyrs Motorcycle Club blog notes that the leather biker cap has been called many things, including Muir cap, biker’s cap, master’s cap, old guard cap, leatherman’s cover, Top’s cap, and Dom cap.
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