Every site I can find is like a teespring or redbubble shop that sells $30 shirts that say shit like "i just want healthcare hun " or just has general random tee shirts so you might find some weird chud shit next to the Antifa Supersoldier shirt you're looking at.
LMAO
https://spacedoglaika.com/collections/anti-capitalist/products/i-am-not-politically-correct-socialist-satire-t-shirt
ShowLooks like they made one just for us
https://spacedoglaika.com/collections/shirts/products/practice-safe-hex-magick-witch-t-shirt
Show
Pretty In Praxis has some good stuff but otherwise I just find a design on redbubble
If we're plugging leftist merch, I love https://offcolordecals.com/
And https://www.no-gods-no-masters.com/, but they're kinda one of the "general random" sorts of places