A/K/A the 72-hour bag.
Everything is grouped into labelled Zip-Loc freezer bags.
I usually pack my stuff with the least likely to use, least critical, or to use last, in the least accessible place. So, entrenching tool, restraints, radio, manual, water filter and so on... at the bottom of the pack, with clothes and towel, and most importantly, light, up top. One could also argue for urgency and operational expediency, so have restraints up top.
These two go together:
Or, you could get the Camelbak BFM:
The most space and water capacity available.
These are high-quality briefs.
Though they run rather large, these briefs are the best travel underwear I have owned. Loose fitting (no chafing), secret pockets, and easy to wash, they work great.
2x Champion moisture-wicking athletic "no-show" socks
3x Under Armour Shortsleeve UA Tech T-Shirt Tops (green, brown, sand)
Because you really don't want to hurt people, right?