OMO GYM Norma Kamali label black double layer crop top/ sports bra, size L, circa late 1980s to early 1990s.
Classic sports bra design, with racer back.
Inner layer has covered elastic banding at the hem; the outer layer is a bit longer and has a straight hem for a more streamlined look.
78% nylon, 22% spandex.
In excellent condition- ready to debut.
Ideal as a minimalist sports bra, bike top, or under a blazer as a crop top.

Measurements:
for handy reference- the mannequin shown is 32.5" at the chest, 24" at the waist and 35" at the hips- this is a bit large on "her".

15.75" across the widest part of the chest
14.75" across the elastic bottom edge (inner layer), stretches to 18"
15.5" across the outer layer hem
13" overall length
the entire piece has stretch/ give and fit is fairly comparable to a standard athletic brand