I have a couple from a computer/repair store and the backing is very dense foam rubber. I wash one and use the other while it dries. They're a good 15 years old and one has peeling edges which if I have to eventually, will rubber cement or sew back down.
On my workbench I have a huge (vinyl coated fabric? IDK) anti-static mat I use as a mouse pad, but my hand drags more on it than cloth. Also it has a copper mesh integrated into it for ESD conduction, which is slowly turning a subtle shade of green over the years.
Somewhere I have an OEM Dell mouse pad that has stiff woven fibers and doesn't seem like it will ever fall apart, but is not as cushioned as most.
I also have an Xtrac Ripper mouse pad that's lasted a long time (15 years or so), because of it's size, 11" x 17" so there is no wear on the edges to make the fabric separate, never get near the edges when mousing on it.
Frankly with modern laser mice, I don't need a mouse pad for tracking as much as I want some padded wrist support.