Reddit mentions of Columbia Men's HydroTech Packable Rain Jacket, Large, Sail Red

I'll try not to repeat what others have said.

I would go for a nice rain jacket
http://www.amazon.com/gp/aw/d/B0089PWGRI/ref=mp_s_a_1_8?qid=1394167347&sr=8-8&pi=AC_SX110_SY165_QL70
Or a poncho.
http://www.amazon.com/gp/aw/d/B002ETVLZ8

Maybe a nice fleece
http://www.amazon.com/White-Sierra-Trinity-Quarter-Titanium/dp/B00DJ1ST1Y/ref=sr_1_2?s=apparel&ie=UTF8&qid=1394167546&sr=1-2&keywords=quarter+zip+fleece

I think that a nice fixed blade knife of a realistic size would go a long way. I'd consider either an ESEE 3, 4, or laser strike. I don't think amazon carries then. The standard sheathing and fit and finish is good enough in my mind that I'd place them above TOPs or Becker.

I'd really consider a back like the Kelty Redwing series. They're not so big that you can't use them as a daypack but you can also go 1 or 2 nights in them.
http://www.amazon.com/gp/aw/d/B009R6B3NQ/ref=mp_s_a_1_1?qid=1394167784&sr=8-1

Like some other said a nice cheap folder like an opines, or a KaBar dozier would be a good idea!

And I try to always carry a good multitool, the leatherman wingman is a nice option that will save some money.
http://www.amazon.com/gp/aw/d/B005DI0XM4/ref=mp_s_a_1_4?qid=1394167903&sr=8-4&pi=AC_SX110_SY165_QL70