Can't answer for ANY fiber - too many variables in how folks use them, climate, etc. Some people will rip anything to shreds within a few years. Others won't.
Well I just replaced my lost hakama with the tetron one from ebogu. It was very affordable so I ordered it a few days ago. Got it today so I'm looking forward to putting it to the test this week, as well as our Aiki Taisai on the weekend!!!