Originally Posted by tennisplyr3

Hmmm... Thanks for all of the input, everyone.

I guess what I'm looking for then is a backpack for commuting that is waterproof (like the inside of messenger bags). Does such a bag exist?

If it doesn't, would a wise thing to do be to just get any regular backpack and buy a waterproof laptop sleeve? Although, I really would prefer if the rest of my stuff doesn't get wet though...