Just a quick little addition... Because there is very little discussed that hasn't been discussed before (and I don't mean that as a snipe, merely an observation)... I've dug up some wisdom from the dusty, X-Marks history books...

It's a comparison of fabrics written by our very own Steve Ashton. Perhaps this will help answer your questions in a little more detail.

http://www.xmarksthescot.com/forum/f...fabrics-58373/