In my pockets are usually a bit of granola or power bar until I finish eating it, MAYBE some chapstick, and usually as the trip goes on, bits of fishing line, assorted plastics, maybe a weight or two and some duff. Keys stay at the outfitter with the vehicle (if I enter else where they go in a dry bag and get buried in my gear pack). Actual wallet stays behind as well and ID, credit card, permit, RABC, etc go into zip lock bag in a dry bag that gets tossed in the gear bag after the entry point. My knife is a skeletool that stays on a lanyard around my neck, and everything else I'd need such as bug dope, sundope, chapstick, camera goes in the day bag which is waterproof.