gym chic
A dress code consisting of upscale and often pricey spandex pants, tops, sports bras, and similar athletic attire that may never actually enter a gym. Gym chic is more relaxed than black tie, business casual, and casual attire, but more formal than pajamas.
Sarah hasn't worked out in years, but owns an extensive collection of gym chic attire. She loves how her $97 spandex pants makes her feel sporty, fit, and fashionable while strolling the grocery store aisles and running errands.