Set for an expedition to Denali? Sure you must be planning to pack the North face Mountain Hardwear. If it's your first time, you need to do a bit of running around to buy some outdoor sports gear amongst other things. What you need to buy grossly depends on what are you going to do in Denali, because one shoe doesn't fit all sizes.
No matter what you need to buy, you will naturally expect to get the best deal for your dollars. Buying cheap may lure you for a while but if your plan isn't a one time venture then you won't mind a few more dollars and buying from a reputed store.
The first thing you need is a jacket. The North Face, Patagonia, or the ones from Ibex collection offer a huge wide variety to choose from. Let's say you are skiing or trekking along the foothills, Ibex collections are your first choice. The smoothness of boucle merino wool lining with the middle layers insulating, full zippered hoody and knitted wrist cuffs protect you just the way they should. Ibex doubles up as standalone jackets too.
Go for Patagonia or Arcteryx for mountaineering usage. The fleece jackets series is made from special fleece fabrics of reputed makes that repel moisture. The jacket is extremely wear resistant and the 5 pockets complement the climbers; keep your 2way radio, pix, and all that you got to carry. Other features include a full cover hood, a wind flap under the full length front zipper, hem drawcord.