A summit pack is for when you hike-in and set up a base camp and then you go peakbagging or hiking the next day... after setting up your tent, rather than lugging your big pack along the next day, a summit pack is a smaller (generally foldable) pack that doesn't weigh much and you can tuck away. I've seen a few of these but anyone have a favorite one?
Not having a suitable pack, I usually end up simply lugging my ginormous 80 l (20 gal) backpack (warning: if you have a pack this big, you may end up carrying the bear barrel just cuz have the space!) This backpack of mine noticeably weighs something even empty and feels a tad awkward for scrambles.
I inherited an all nylon pack from my grandpa that weighs zippo, but it is not very robust... I have always thought I would reinforce it one day but my sewing skills are pretty poor and as it's so old, maybe not worth it.
This is a pack I've been looking at (I am also looking to use as a new day pack, so kills two birds with one stone - but maybe not the comfiest day pack or the lightest summit pack, but looks like it subscribes to the k.I.S.S rule!)
http://www.mec.ca/Products/product_deta ... 4302699687