If you really want to get into the whole raw denim thing, youŽd wear them like forever
most people wear their at least for one year to get those fading.
But at the end the fading depends a lot on the denim your jeans is made of.
Maybe you can find some information you are looking for on:
http://www.superfuture.com/supertalk...splay.php?f=15
http://www.mynudies.com