Noun
racerback (plural racerbacks)
An item of clothing, such as a shirt or bra, with straps that meet high on the back.
Lace Charcoal Racerback Tank from Sex and the CityHome›Shirts›Lace Charcoal Racerback Tank from Sex and the City/products/lace-charcoal-racerback-tank-from-sex-and-the-city//cdn. Source: Internet