The list author says: "Stick to this list and your pack will be around 20 pounds. good for anything from week long excursion or a year long excursion."
"3x. A breathable, moustire wicking, sun-protecting shirt that you can roll the sleeves up on and button them down as shown in the picture so it can be worn as short or long sleeve."
"This watch has EVERYTHING! Automatic backlight, barometer, compass, thermometer, atomic time, solar power, 200m water resistance, altimeter and battery level indicator. Move over Swiss Army Knife."