I called them(I deal with them weekly), they have a generic weave material that they use on non truck shoes. They said its not really high friction....
I have a truck parts place near me that relines brake shoes, they will also reline just about any shoe. You might want to check to see who does it in...
I don't know what you consider low, if it still had the stock one on it the last car I parted had 90k on it for some reason iirc I think it may have...