ThirdLove is an American
lingerie
Lingerie (, , ) is a category of primarily women's clothing including undergarments (mainly brassieres), sleepwear, and lightweight robes. The choice of the word is often motivated by an intention to imply that the garments are alluring, fashio ...
company founded by Heidi Zak and her husband, David Spector, in 2013. The brand is known for marketing body positivity and offering size-inclusive
bra
A bra, short for brassiere or brassière (, ; ), is a type of form-fitting underwear that is primarily used to support and cover a woman's breasts. A typical bra consists of a chest band that wraps around the torso, supporting two breast cups ...
s and half-cup sizes. ThirdLove is also known for its online FitFinder quiz, which helps users determine their best fit bra and style.
History
ThirdLove was inspired by Zak's own challenges with bra shopping, when she could not find bras that were both beautiful and comfortable. In 2013, Heidi left her
Google
Google LLC (, ) is an American multinational corporation and technology company focusing on online advertising, search engine technology, cloud computing, computer software, quantum computing, e-commerce, consumer electronics, and artificial ...
advertising job to take a data-driven approach to designing bras.
After using
Craigslist
Craigslist (stylized as craigslist) is a privately held American company operating a classified advertisements website with sections devoted to jobs, housing, for sale, items wanted, services, community service, gigs, résumés, and discussi ...
to invite 100 women to photograph themselves wearing fitted tank tops over their bras, ThirdLove used the images to design both their
prototype
A prototype is an early sample, model, or release of a product built to test a concept or process. It is a term used in a variety of contexts, including semantics, design, electronics, and Software prototyping, software programming. A prototype ...
bra with the help of