The list:

• 3 t-shirts
• 1 long-sleeves t-shirt
• 2 pair convertible trousers
• 3 6 pairs of underwear
• A set of long very warm underwear pants and t-shirt (The set I use when I ski)
• 1 pair of jeans / 1 nice shirt / 1 pair of nice shoes (If you plan on going out in any large city, it is best to have a nice set of clothes)
• 1 swimsuit trunk
• 1 fleece jacket
• 1 windproof, rainproof jacket
• 3 pairs of socks (5 pairs if wearing closed shoes a lot)
• 1 2 caps
• 1 pair trekking/walking shoes
• 1 pair of Tevas
• 1 travel towel (best if it can be used as a beach towel too)
• 1 silk sheet bag (because I am worth it!)
• 1 toothbrush
• 1 tube of toothpaste
• 1 box of floss
• 1 bottle of shampoo
• 1 bottle of soap
• Nail clippers
• An electric razor
• 1 travel pack (Gregory Palisade)
• 1 day pack (Eagle Creek packable day pack)
• 1 duffel bag (that folds very small) (Except if you plan on bringing a lot of stuff back)
• 2 locks
• 1 tiny alarm clock
• 1 mini Maglite flashlight with extra bulb
• 1 Leatherman micro
• 1 compass/whistle combo
• 2 safety pins
• 1 bunch of Ziplocs
• 1 small roll of duct tape
• 1 tube of detergent
• 1 sink stopper
• 1 surgical-quality, natural latex rubber clothesline!
• 2 inflatable hangers
• some toilet paper
• 1 pair of sunglasses and its box
• 1 traveler first aid pack including diarrhea treatment, Advil/Tylenol, blister pads, bandages…
• 1 bottle of mosquito repellent
• 1 tube of sunscreen and lip balm
• Inflatable travel pillow / blindfold / earplugs
• A digital camera + an extra battery + charger
• A Hardshell CD case to store the picture CDs I burn along the way
• An IPod and its charger
• An universal power converter
• A security pouch
• Important documents
  • Passport / Green card
  • Vaccination certificates
  • Credit/debit cards
  • Health insurance info
  • 3 personal checks
  • A list with personal addresses and phone numbers
• Copies of these documents
• 3 guidebooks
• A bunch of books
• My scuba diving logbook and PADI cards
• 1 small notebook
• 1 2 pens
• 1 pencil

To read how it was created and how I selected some of these items, go there.

To read about the review of that list after my trip, go there.

[Everything in italic/stroke was changed after the trip]