Mouse brings up a good point, no matter how light those base items are, the real weight comes from everything else you carry. You have to carry fewer and lighter "everything else".

As an exercise, if you use a spread sheet, remove all but the "big three", then add what absolutely cannot be changed or left at home and then contemplate the rest. What would happen if you didn't take it? Do you have other options? Then add one or two comfort items back in and go for it.

Jim