Will they honor their 90-money back? I did not find any contact information on their web pages, so how would a return work? I would just want to put my feet into them for an hour or so.
I'd be shocked if they didn't honor their money-back. Here's a contact # for them, you could call & inquire or alternatively, send an email to nate AT shredsoles.com
I noted in your review you sometimes get a pinch around your arch, was that due to having slightly wider feet?
It was weird, like a pinchy crampy discomfort. I don't think that I have particularly high arches, I've never had any problem in other sports like running, rugby, basketball, etc., all which use very different shoes & support systems, but for some reason, I would get this weird discomfort in my leading foot when snowboarding. So, I'm not really sure what caused it, but the Shred Soles seem to have helped; I don't think it's happened the past 2 seasons and prior to that, it was something I always just lived with, going back to like 1996 or so.