Get a pee funnel!  You never have to take off your pack, and it works even in an outhouse.  I use the pstyle, and it has changed everything for me.  I like that one, because it is rigid, but can be used at any angle, so works no matter what you're wearing.  No more showing your moon!  And you can use the end of it to wipe any drips, which is very useful if your backpacking.  Give it a try! ... View more