Gil! Some big ugly guy photobombed your pictures! Wow, what a shame!
I've got about 15 fine packs hanging in the rafters in my shop. All are damned good! I've used a Schuh pack and they're not bad at all. But I found not long after moving west that I agree with Yosemite Sam. Even when younger and stronger than I am now, I didn't find it very workable to hunt with a big pack on. And I never cared for large fanny packs. I know-getting deep is the secret to avoiding other hunters and hunter-wise game. But, I have found smaller pack systems are way better for me to use when hunting. Been through a number of truly fine ones, and no real argument against any of them. But, when I found the Eberlestock X2 I became a convert. It's a big daypack, weighs half what some other excellent daypack "systems" weigh, can carry an elk quarter if necessary and tough as nails.(and I know a lot of others could make those claims as well, several are on my wall now.) The X2 simply suspends so well that it "carries" less than it actually weighs. To describe the size, I'd say it's big enough to carry provisions for a night or two out----if need be! But, those would be pretty tough conditions, and your pad/bag would be tied on the outside. and, a lot of trips to bring an elk out. More like: one load with a quarter and as much of your stuff as you can carry. Then, back in with a freighter frame!
I know: this may have avoided the OP question. But, I'm not the only one who has learned that carrying a big pack for miles at 7-11000 feet will reveal some things about yourself!! Just be ready with a back up plan!