Osprey Atmos 50 Almost unused, so it's a beautiful item with no noticeable dirt or stains. A nice Seatosummit backpack cover of the right size is also included. Please refer to the manufacturer's description for features and performance. Product Description The Atmos is a backpack with a three-dimensional back mesh that provides outstanding breathability and fit. The 50 is a model suitable for 1-2 day mountain climbing and backpacking with a tent. *This product is a men's model. The Aura AG 50 is available as a women's model. Anti-Gravity Suspension Added access zippers on both sides Added built-in rain cover (PFC/PFAS-free DWR & bluesign® certified material) The top lid is movable. Equipped with load-securing points Front storage pocket Bottle pockets with 2-way access on both sides Compression straps on both sides Hip belt zipper pockets x 2 Ice axe loops x 2 Removable divider in the sleeping bag compartment Sleeping mat attachment straps (removable) Hydration pocket Stow-on-the-Go feature for temporary trekking pole attachment Thank you.