Nothing goes into pockets except a handkerchief, or maybe a compass for very short term storage. Things fall out of pockets, even buttoned/zippered/velcroed ones.

My wallet, car keys, and passport (if needed) go into a dedicated dry sac (sealed & waterproof) which is not opened from the time the car is locked until the end of the trip. The dry sac goes into a day pack which is treated as if it contained the crown jewels. (I also keep my camera equipment in that pack, in another, larger dry sac).