The bottle in the picture is a 15 oz nalgene nested in a soup can and surrounded with an insulated neoprene holder. I did a review on the contents of the bottle in another thread a while back. It's a last ditch kit. Along with that, I have a couple of cliff bars, an orange survival blanket, FAK/Survival Kit Combo, folded maps in plastic bags, 8 battery Volta case, Garmin E-trex Vista GPS, bandanna, and an M2 pouch with digital camera.
The front pocket holds a gorilla tripod, flashlight, various OTC meds in the pill bottle, handy wipes, poncho, hobo fishing kit, fire tender, strike force fire steel with wet fire blocks, water bags, and water purification tabs.
The MCAP holds that navigation aids, diamond sharpener, pens, pencils, notebook, compass #1, bug juice, multitool, and current use map if needed. I've got my camenga compass in the side pouch.
With the M2 pouch on my hip, I still have plenty of room for possibles in the main pouch, as well as some in the secondary pouch.
I'm still thinking about reorganizing the contents to do away with the MCAP. This would reduce bulk, but also decrease accessibility. I'll wait till my first trip to the woods to decide for sure.