". . . you tell me what major items you fit in the Kumo? Sleeping bag, shelter, kitchen set up and sleeping pad? Tryin to figure out if I could fit all my gear in it."
I have a Gossamer Gear Murmur 2012, which has identical storage dimensions to the Kumo. I'm not sure if I could easily fit everything in the body if I have my shelter in there, a relatively svelte TT Notch. (Probably could fit everything, but I don't use a stuffsack for my quilt, instead just put it at bottom of pack in packliner bag with other items.) But I just put the tent in one of the side pounces, since I only use one side pouch for water. The sidepouch doesn't go up very high, but you strap the top half of tent to the pack with lashing. I usually only have one water bottle, but a single sidepouch can hold two if they're narrow, like the Aquafina 1l bottles I use.
I also have a Six Moon Designs Swift that I prefer to the Murmur, at least if I'm carrying full pack. The Swift is about 15oz without waistbelt pockets or 19 ounces with pockets. I use it with waistbelt pockets, which are great. The Swift is kind of an ugly duckling, doesn't look all nice and streamlined like the GG stuff. But it works. The thicker shoulder strap is big improvement over the Murmur's, as well as the generally more durable construction. Unlike the GG packs, the sleeping pad fits in a pouch on inside of pack. Not as good if you want quick and easy access, on the other hand I think it's better at holding a thicker pad, I use the 3 section GG Nightlight torso length.