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Dusk Blue
Dusk Blue

This product is no longer available.


  • Removable IsoForm CM™ (Custom Moldable) hipbelt offers superior load support with dual-density foam for enhanced support and an anatomically contoured shape
  • Osprey-certified Custom Molding is available in most stores—check your local REI store for a custom hipbelt molding oven
  • IsoForm dual-density foam harness with spacer mesh promotes airflow and wicks away moisture during warm weather and intense activity
  • LightWire™ suspension uses peripheral rods, a nubbed foam back panel, single stay and an internal framesheet
  • Running down the sidewall, the peripheral rods anchor to load lifters and the hipbelt, actively transferring load and resisting sag
  • HDPE framesheet protects your back from bulky or pointy items and supports heavy loads
  • Top pocket can be removed and converted into a lumbar pack; IsoForm hipbelt on pack can be removed and slid onto lumbar pack for comfortable carrying
  • J-zipper panel access makes packing and accessing your gear a breeze
  • Externally accessible bottom compartment with wide mouth and divider accommodates all types of sleeping bags
  • Dual-entry stretch-woven side pockets keep essentials easily accessible, and a stretch-woven front pocket with welded vent accepts Osprey AddOns™ (sold separately)
  • Straightjacket™ compression with 3 horizontal straps lets you securely compress the contents whether full or nearly empty, and without sag or load distortion
  • Internal compression strap stabilizes the load
  • Stow on the Go™ trekking pole attachment, side gear straps, ice axe tool loops, cord loop attachment slots and sleeping pad straps accommodate a variety of alpine gear
  • Hydration-compatible design features reservoir sleeve and dual drink tube exit ports for on-the-go hydration (reservoir sold separately)
  • Osprey Aether 60 pack shaves weight yet remains tough with a 210-denier double-ripstop nylon and 420-denier nylon packcloth body and 500-denier plain-weave oxford nylon bottom


View all Osprey Backpacking Packs

REI membership


Best Use Backpacking
Frame Type Internal
Gear Capacity (L) 57 / 60 / 63 liter
Gear Capacity (cu. in.) 3,500 / 3,700 / 3,900 cubic inches
Weight 4 lbs. 11 oz. / 4 lbs. 15 oz. / 5 lbs. 2 oz.
Weight - Metric 2.12 / 2.23 / 2.32 kilograms
Adjustable Torso Yes
Fits Torso <18.5 inches / 18 - 20.5 inches / 20+ inches
Fits Waist/Hips 27 - 31 inches / 30 - 34 inches / 33 - 37 inches
Material(s) 210D double-ripstop nylon/420D nylon packcloth/500D plain weave oxford nylon
Frame Material HDPE framesheet/metal alloy peripheral frame
Number of Stays 1 HDPE integral stay
Pack Access Top / side / front
Number of Exterior Pockets 4 + main compartment
Sleeping Bag Compartment Yes
Gender Men's

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