I got to say, Patagonia is the hit as far as warranties go. I bought shell at the SLC outlet during one of their 40% off outlet sales. So, 40% off of the already 25% oulet price. The zipper got stuck and I took it back to the store. The sales associate said they'd give give me a credit for it. I didn't have the reciept, but said I bought during one of the 40% off sales. She insisted on giving me a credit at the 25% off price even though I mentioned again that I bought it at the sale. Another time I sent back a R4 fleece jacket that was coming apart at the shoulder seem. They called me up and asked what color I want on a new jacket, since they couldn't repair it.
REI on the other hand, I got a completely different experience. I bought some shorts and wore them for about 8 days on a couple different river trips. I didn't wear them all winter and when I pulled them out for a April GC trip, I noticed the stitching on pocket was un-raveling. I took them back a few days before the one year warranty period was up and the guy at the service counter gave me crap because I should have understood that there was such a thing as "wear and tear". I mentioned that they had like 8 days of use and he still gave me grief about returning them. I've been a member of REI for over 20 years and have rarely returned anything, but we may be done dealing with them.