I Picked these pants up for the 2010/11 season, and so far I've enjoyed them. There are 2 things wrong with the description of the product on this page though. #1: What interior waist adjustment? Non existent.
#2: There is a bit of insulation on this pant, not a whole lot, but enough to keep you toasty when your shredding.
Over all, the waterproofing has held up just fine, and the breathability was good. ALl in all, if you don't dig the uber baggy pant thing going on, this is a good alternative to the Burton Pistol pant.