Anything with a small pattern or possibly even plain would do since I doubt there's anything even close to this pattern in Subeta since it would be way too specific. The collar/sleeves/style are really the most important bits.

https://vignette.wikia.nocookie.net/orphanblack/images/0/0f/Helena_Season_3.jpg/revision/latest?cb=20150609204839

I'm not looking for the jumper worn over it, but if anyone knows something that matches it... It could obviously come in useful for future HA designs!

Maybe one of the following?