"Finally—but perhaps most importantly—the Smart Alec is incredibly comfortable. The straps sit easily on my shoulders, and the (removable) sternum strap helps me keep the bag positioned in just the right place on my back. I removed the waist straps, but they might be useful for some users. In short, I’ve hiked all over with this bag quite full, and I’ve never felt burdened."
Read the full review @ ProfHacker. See also: the Smart Alec