Originally Posted by
gugie
Just about any cycling short is better than gym shorts. But you should be able to find something at River City or Universal Cycles.
Your transformation into Grant Petersen won't be complete until you start insisting that everyone ride in casual shorts over wool underwear. On the other hand, this ride may be slightly longer than Grant's limit, so that could be a questionable recommendation in this case. I'm going with Lycra and a nice chamois, maybe even full team kit.