Osprey Atmos 50 Backpack for $75.93. Add the item to the cart to see the lower price as shown in this screenshot. Select ship-to-store for pickup to save on shipping. Otherwise, shipping is $9.99, which comes to a total of 85.92 shipped. It features a top-loading design, 2 front slash pockets, stretch-woven front and side pockets, aluminum alloy frame and titanium torsion rods, thermo-formed and perforated waffle-pattern shoulder straps, daisy chain with shockcord clips, and removable sleeping pad straps. This backpack usually sells for over $130.