For weekends backpacking and lighter-weight multiday-overnight trips where comfort and ventilation are paramount, you can't find a better pack than the Atmos AG 50. AntiGravity suspension delivers a weight-defying fit that seamlessly envelopes your back and hips in 3D-suspended mesh, leaving you wondering where all that weight you packed went. Your water bottles fit snugly in the easy to use stretch mesh side pockets, an internal reservoir sleeve extends your hydration options and a Stow-on-the-Go trekking pole attachment gets your gear out of the way when you need both hands free. If the weather happens to turn, turn to the integrated raincover to keep things dry. Want to remove the floating lid? It comes with a FlapJacket for lidless use. Don't compromise—enjoy a world class backpacking pack on your next big adventure. Made with 100% recycled materials. Specs Included raincover made with PFC/PFAS-free DWR and bluesign® approved materials Curved zip access on each side panel Floating top lid with lash points Fabric reinforced front shove-it pocket Tall dual-access side water bottle pockets Dual upper/lower side compression straps Dual zippered hipbelt pockets Dual ice axe loops with upper compression strap capture Zippered sleeping bag compartment with removable divider Removable sleeping pad straps Internal hydration reservoir sleeve with center back exit port Stow-on-the Go trekking pole attachment system LOAD RANGE:  25 - 35 lbs. VOLUME DIMENSIONS WEIGHT L/XL 3234 IN3 / 53 L 33.86H X 14.96W X 12.2D IN. 4.509 LBS. S/M 3051 IN3 / 50 L 31.89H X 14.96W X 12.2D IN. 4.32 LBS. FABRIC: MAINbluesign® approved recycled 210D honey comb nylon, PFC/PFAS-free DWRACCENTbluesign® approved recycled 210D high tenacity nylon, PFC/PFAS-free DWRBOTTOMbluesign® approved recycled 500D high tenacity nylon, PFC/PFAS-free DWR