I am with Ronan 100%. I wear gym shorts under my pants, and I put everything of value inside their pockets.
No lie, it is not as restricting as it sounds. Then when I go to the gym I just put my stuff in my regular pants and stick em' in my bag.
I now feel I have an eternal bond to Ronan.
Also, if I didn't do this, definitely front pockets, no questions asked.