I've been researching athletic suits for the past 10 years and it seems there's definitely a trend toward the pre 90's look and feel.
These videos are fairly recent and the shorter look is making a come back:
https://www.youtube.com/watch?v=wkcZMgsVEgY
https://www.youtube.com/watch?v=mB3wigo8BB0
https://www.youtube.com/watch?v=RfO1cWaETN0
https://www.dhgate.com/product/men-t...411813182.html