Your list looks about right to me. Lots of layering options, from sunny & warm to nobody-said-it-would-get-this-cold.

1 Patagonia silkweight top and bottoms.....I like a zip-T for the top part.
3 pr. Smartwool socks 3 pr underwear.......1 extra pair of underwear is likely enough.
1 S/S synthetic T-shirt
1 nylon travel shirt
1 nylon convertable pants.................I'd want heavier long pants, but I get cold easily.
Marmot DriClime windshirt................I have the jacket and have found it worth taking.
OR Fraction pullover (primaloft sport)
550-fill down jacket for camp.......I think you'll be glad you took it.
fleece or wool hat
wool gloves.................................................Windbloc-type fleece would be my choice.
ball cap...................................................Maybe consider a hat with a full brim.
bandanna
Marmot Precip rain jacket and pants
camp/water crossing shoes
hiking boots/shoes