My primary travel bag always has the following items in it and I travel world-wide with this gear and kit. It has helped great on several occasions overseas. My real world go bag...
Small civilian type backpack
Plain and blends in with civilians, no green, olive, tan stuff.
Compass, MAP and GPS
·UV Water stick (Steri-Pen)
·Compressed Platypus water bags
·Leatherman
·Knife fixed blade 6 inches
·Ice pick
·SPOT Device
·5-10 protein bars
·Carmex chap stick
·2 Nylon pants zip off
·2 Nylon shirt
·Cash US & Euros of at least 100 worth small bills in both. Local money as well. Also silver coins at least three 1 oz. Bribes work….
·First aid kit
·Meds (over the counter US stuff colds, flu and the like)
·List of local contact numbers and address written
·Rain jacket ultra-light (reversible if possible)
·Under armor cold weather shirt
·Thumb drive with medical, emergency and general personal data on it
·Bennie
·Light gloves
·Scarf
·Light hiking type shoes dark color
·3 pairs of socks
·Hair dye
·Carry compression bag, different color than pack, big enough to fit pack.
·Lock pick kit
·2 under armor t-shirts
·Pen and writing pad
·Small compressed ultra-light sleeping bag
Extra cell phone with local numbers plugged in and on local system
·Ultra-light poncho
·Sun glasses two pairs completely different designs
·Door alarm intrusion quick attachment device.
·Allot of times I also have and wear a ballistic protective jacket as well. Very low profile.
·And some other little odds and ends…
Be sure to have copies of passport and IDs in pack hidden as well. Back up in case of loss of forced to dump them. Hotels in some countries confiscate them and hold them until you check out the next morning. This is in case you run across friendly get out of jail life line things. I have two flasks with rum but most often carry one of them.
I always go with the smallest and lightest products for carry in this pack.