When we bought a new pack (50L+, multi-day backpacking) for my wife in 2013, the (obviously experienced) gearhead steered her towards a Gregory pack and away from an Osprey, pointing out that her natural back curvature was not very dramatic. Is this really a thing? I have noticed that Deuter and Gregory seem to have flatter harnesses than Osprey does (see pictures). The models I'm most specifically interested include: Osprey Atmos 65L Deuter...
Originally asked by gregmacfarlane on Stack Exchange (outdoors) (CC BY-SA 4.0).