Posted this on outlier's reddit yesterday regarding pilling on the UL. Mine are a light colour so I they don't pick up lint. Pretty happy with them except for the pilling.
Those are the gray ultralights from last year, wore them 15 times at most. I was fatter and probably should have sized up, the thighs rubbing under stretch was probably the cause. I haven't seen anything similar in any of the other models but have read at least another guy reporting the same in sufu or styleforum. It's a pity because it makes me wary of the ultralight fabric and you are creating lots of great stuff using it.
It's a different shade that hasn't been released this year. I just checked the receipt for the order and it's just called Ultralight_Pant-Gray-31 (ordered june 2013).
I think this is the one: http://media-cache-ec0.pinimg.com/736x/95/37/2f/95372ff49dfc49ec89e1d2b6f6aadf8f.jpg
They also made the ultralight blazer in that color. Search in google for "outlier ultralight gray" and you'll find some pics mixed with the graytint and new slate.
trying to shake a pair of barely worn Kierin Cuts in black, size 31. $71 currently on Grailed: