I bought these for mine and have zero issues with them.

https://www.amazon.com/gp/product/B07285DLFT/ref=ppx\_yo\_dt\_b\_search\_asin\_title?ie=UTF8&psc=1

I'm in the same boat - am considering these Brightlines aero crossbars for my 2017 crosstrek.

https://www.amazon.com/BRIGHTLINES-2013-2017-Crosstrek-2012-2016-Crossbars/dp/B07285DLFT