Neiwai

Neiwai, styled NEIWAI and written 内外 in Chinese, is a Shanghai lingerie and loungewear brand founded in 2012 that makes wire-free, seamless bras, light briefs, leggings and loungewear from its own atelier in the city. Earlier accounts credit its founding to Liu Xiaolu, a former advertising professional; the brand's own English-language site does not name a founder.

The Name: Inside and Outside

The two characters carry the brand's whole argument. In the company's own explanation, 内 (nei) means inside, the private self and the comfort that begins at the skin, and 外 (wai) means outside, the world met each day. The brand describes itself as occupying the space between inner comfort and outer beauty, and its tagline is "Made To Live In".

That framing was pointed in the Chinese market of 2012. Domestic lingerie then leaned heavily on thick molded cups, push-up padding and underwire, sold on the promise of a particular silhouette. Neiwai offered the reverse: soft, minimal underwear meant to be forgotten once it was on.

Barely Zero and the Wire-Free Bra

The product line has stayed close to that idea. Neiwai's best-known bras belong to its Barely Zero range, a family of fully seamless wireless bras in several shapes: a plain strap version, an anchored cup, a scalloped edge, a V-neck and a camisole style, several with removable padding. The company's material is a nylon knit it calls CloudFit, designed to stretch and recover rather than hold a shape.

Briefs follow the same rule. The Superlight and mid-waist styles are thin, unadorned and sold in multipacks, close to what this encyclopedia files as the seamless brief. Flow and Cloud leggings, Flow shorts and a men's line of underwear and loungewear extend the range, and an Archive section sells final pieces from past collections.

Materials and Manufacturing

Neiwai is more specific than most brands of its size about where its fabrics come from. It says its fabrics are certified to OEKO-TEX Standard 100, and it names supplier materials including PrimaLoft, VITA and TENCEL's True Carbon Zero fibers, with recycled nylon in selected products. Its zero-waste cutting patterns, the company says, cut textile waste by about 15 percent, and its manufacturing partners are audited annually.

Design and development take place at what the brand calls its atelier in Shanghai. Neiwai's choice of jersey knit and fine nylon over lace is what makes the seamless construction possible: a knitted bra can be shaped without the seams and wires that structured lace bras depend on.

Tong Yao and Body Acceptance

Neiwai's marketing has worked against the narrow ideal that dominated Chinese lingerie advertising. Earlier versions of this entry described a 2020 campaign called "No Body is Nobody" that featured women of different ages and body types in unretouched photographs. That campaign is widely associated with the brand, but its exact date and scope could not be confirmed from the sources available for this revision, and the claim that it was one of the most discussed campaigns in Chinese fashion history has been dropped as unsupported.

What is documented is a celebrity signing that same year. On September 21, 2020, Neiwai announced that the actress Tong Yao would become its brand ambassador. An established screen actress rather than a teenage pop idol, she suited a brand selling comfort over spectacle.

Neiwai in the Comfort Market

Neiwai arrived early to a shift that later swept the global lingerie trade. Through the late 2010s, wire-free bras, bralettes and seamless basics took share from padded push-ups in the US and Europe as well as in China. Neiwai now sells internationally through an English-language online store, competing in that comfort category with Western brands that came to it later and with Chinese rivals such as Ubras.

The brand's product names, Barely Zero, Superlight, Cloud, describe how little the garments are meant to feel like. A decade after the founding, that is still the entire pitch.

Last updated October 7, 2026