Genderless Kei (ジェンダーレス系, Jendāresu Kei ) is a Japanese street fashion subculture that emerged in the Harajuku district of Tokyo in the mid-2010s. The aesthetic is defined by an androgynous style that intentionally blurs the visual distinctions between traditional masculine and feminine clothing, hair, and makeup.

While the term "genderless" (ジェンダーレス) is used in Japan to discuss the broader social concept of eliminating gender roles, in the context of fashion it refers to this specific visual style. It is a distinct subculture and is not necessarily a reflection of the wearer's gender identity or sexual orientation, but rather a form of self-expression that prioritizes personal taste over societal gender norms.

Genderless Kei gained prominence around 2015, popularized by a group of male models and media personalities known as " Genderless Danshi " (Genderless Boys). Figures like Toman, Genking, and Kondo Yohdi became the faces of the movement, showing their unique style in fashion magazines and on social media platforms like Instagram and Twitter. Their rise marked a shift in Japanese menswear, introducing a style that was slender, delicate, and openly embraced elements of beauty and fashion traditionally reserved for women.

The core philosophy of Genderless Kei is to create a look that transcends gender boundaries. It is distinct from cross-dressing, as the goal is not to appear as the opposite gender, but to create a new, androgynous or gender-neutral appearance.

The fashion of Genderless Kei is eclectic and individualized. It often involves a slender silhouette, achieved through items like skinny jeans or slim trousers paired with oversized tops, sweaters, or cardigans. Participants freely mix items from both men's and women's fashion departments. Accessories are key and are often delicate, including fine necklaces, earrings, and stylish bags.

Hair and makeup are important components of the Genderless Kei look, particularly for the " Genderless Danshi ." Hair is often dyed in various colors and worn in medium-length, androgynous styles like bowl cuts or shags. Makeup is used to create a soft, doll-like, and polished appearance. This typically includes foundation and concealer to create a flawless complexion, defined but not overly heavy eye makeup, colored contact lenses to change eye color, and subtle lip tints.

Genderless Kei is often confused with "unisex," but the two concepts are distinct in a Japanese fashion context. Unisex (ユニセックス) refers to clothing designed to be worn by people of any gender. Genderless Kei, on the other hand, is a styling practice where individuals intentionally wear clothing from across the gender spectrum—including items explicitly designed for men or women—to construct an androgynous identity.