[1] Exercise dresses were marketed by the brand Outdoor Voices in 2018 and according to the Wall Street Journal became a "viral hit".
[2] The dresses typically incorporate a bodysuit including bike shorts under a racerback A-line dress, often with a pocket in the shorts to accommodate a phone, keys, or credit card.
[3][4][5] They are constructed in some combination of nylon and spandex.
[2] Wearers step into the shorts through the neckline and pull the dress up to put it on.
[3] According to Cosmopolitan, the dresses are appropriate for general daywear and "literally no one would know you just wore it to the gym".