Quick Answer: Choose a Gregory backpack by torso fit, trip length, capacity and realistic packed weight—not by the model name alone. Baltoro and Deva target supportive multi-day loads, while Zulu, Jade, Focal, Facet, Maya, Miko and other families serve lighter or shorter trips. Verify the current version because specifications change.Gregory covers compact daypacks through large backpacking packs. The best choice is the one that...