How do they make T-Shirts with no seams?

Question

Or clothing generally, but the T-Shirts in particular I’m curious about

In: 1

Answer 1

T shirts are made of knit material rather than woven. That means you can just make tubes easily by knitting In a big spiral.

So, once you have an appropriately sized tube, cut off a section, sew sleeves to it, close off most of the top, and then you’ve got a shirt.

Look at sock knitting machines. Same sort of thing there, at different scale