Winner of the 2021 Backpacker Editors’ Choice Gold Award. You come to the trailhead fully prepared, you expect the same reliability and readiness from your pack—and the Aether 55 delivers. Custom Fit-on-the-Fly™ Shoulder Straps and Hipbelt, and an adjustable torso provide a near-perfect fit while an injection-molded backpanel offers close-to-body performance. Made with bluesign® APPROVED nylon and PFC-free DWR. Raincover included. Features Included raincover made with PFC-free DWR and bluesign®-approved materials Large front panel zip access to main compartment Floating top lid with lash points Fabric reinforced front shove-it pocket Large dual-access stretch mesh side water bottle pockets Dual upper/lower side compression straps Dual front panel compression straps with Wingjacket compression Dual zippered hipbelt pockets Dual ice axe loops with bungee tie-offs Zippered sleeping bag compartment with removable divider Removable sleeping pad strap Internal hydration reservoir sleeve Anchor loops for an optional Osprey Daylite® daypack for short forays Winner of the 2021 Backpacker Editors’ Choice Gold Award. You come to the trailhead fully prepared, you expect the same reliability and readiness from your pack—and the Aether 55 delivers. Custom Fit-on-the-Fly™ Shoulder Straps and Hipbelt, and an adjustable torso provide a near-perfect fit while an injection-molded backpanel offers close-to-body performance. Made with bluesign® APPROVED nylon and PFC-free DWR. Raincover included. Features Included raincover made with PFC-free DWR and bluesign®-approved materials Large front panel zip access to main compartment Floating top lid with lash points Fabric reinforced front shove-it pocket Large dual-access stretch mesh side water bottle pockets Dual upper/lower side compression straps Dual front panel compression straps with Wingjacket compression Dual zippered hipbelt pockets Dual ice axe loops with bungee tie-offs Zippered sleeping bag compartment with removable divider Removable sleeping pad strap Internal hydration reservoir sleeve Anchor loops for an optional Osprey Daylite® daypack for short forays AIRSCAPE BACKPANEL Injection-molded, die-cut foam AirScape™ framesheet maintains comfortable back contact with ventilated airflow channels and maximum stability for carrying heavy loads Mesh-covered foam lumbar for supportive, lightweight and comfortable contact surfaces CUSTOM FIT-ON-THE-FLY SHOULDER STRAP Custom Fit-on-the-Fly Shoulder Straps allow for a precise shoulder wrap and fit Spacer mesh fabric provides a soft and comfortable contact surface CUSTOM FIT-ON-THE-FLY HIPBELT Extendible Custom Fit-on-the-Fly Hipbelt offers a precise fit for varying waist sizes ncremental length and angle adjustments allow for a fine-tuned fit Crossbody ErgoPull hipbelt pulls weight into lumbar when hipbelt is tightened ENHANCED LOAD TRANSFER The Custom Fit-on-the-Fly Hipbelt integrates the LightWire frame into the adjustment system—creating a better distribution of weight and, in turn, a better carry LOAD RANGE 30 - 60 lbs. S/M VOLUME 3356 IN 3 / 55 L DIMENSIONS 9.84H X 14.96W X 30.71D IN. WEIGHT 4.827 LBS. L/XL VOLUME 3539 IN 3 / 58 L DIMENSIONS 9.84H X 14.96W X 32.68D IN. WEIGHT 4.871 LBS. FABRIC MAIN bluesign® APPROVED 420HD nylon packcloth, PFC-free DWR LINING bluesign® APPROVED 210D nylon Diamond, PFC-free DWR BOTTOM bluesign® APPROVED 420HD nylon packcloth, PFC-free DWR WARNING: This product can expose you to chemicals including dimethylformamide, which is known to the State of California to cause cancer. For more information, go to oehha.ca.gov/proposition-65/about-proposition-65