A lot of clothing does not use the "plain" weave found in the Poser weave node.

You can find other patterns as images easily enough. You use them as bump maps or to multiply with the color, or both.

Here I'm using a twill bump map (upper left) and the plain weave node (lower right).

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Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)