Osprey UNLTD AntiGravity 64 Pack - Men's

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Rugged hikes demand durability. The men's Osprey UNLTD AntiGravity 64 pack is built with premium materials, including a 3D-printed lumbar panel, to help you reach your destination comfortably.


  • Designed with Osprey founder Mike Pfotenhauer, the UNLTD series uses first-of-its-kind technology to go beyond the limits of traditional manufacturing in the pack industry
  • Extremely durable, PFC-free fabrics with TPU cast anti-abrasion panels resist abrasion and wear; durable water repellent (DWR) finish helps moisture bead up on the surface
  • UNLTD AntiGravity mesh suspension and a tough aluminum frame disperse and balance heavy loads
  • Revolutionary 3D-printed Fitscape™ lumbar support with Carbon DLS™ technology provides exceptional ventilation, fine-tuned support and anti-slip grip
  • Innovative AutoLift System automatically adjusts harness length; Fit-On-The-Fly® hipbelt allows for fine-tuned adjustment in the field
  • Top lid with water-resistant coated zippers converts into a lumbar pack
  • Clamshell design with dual-access side panels and laminated zip flaps makes it easy to get to your gear
  • Compression system and removable sleeping pad straps secure your load
  • Compression divider separates sleeping bag storage
  • Twin front pockets and large, versatile hipbelt pockets give you easy access to essentials
  • Externally accessed reservoir sleeve with injection-molded hydration hose routers lets you refill your water easily
  • Variable-woven ski loops and tuck-away ax loops help you transport gear
  • Stow-On-The-Go trekking pole attachment allows you to quickly stow your poles whenever you need your hands free
  • YKK buckles are super strong and break-resistant
  • High-tenacity nylon ripstop raincover located in base zippered pocket
  • Custom Airporter travel cover with lockable zippers


View the Osprey UNLTD Product LineView all Osprey Backpacking Packs

Technical Specs

Best Use


Frame Type

Internal Frame

Adjustable Torso Length



Main: 210-denier high-tenacity nylon/ultra-high-molecular-weight ripstop polyethylene; bottom: 500-denier high-tenacity recycled nylon (bluesign® approved)

Frame Material

Anodized 7075 aluminum

Reservoir Compatible


Suspended Mesh Back Panel


Pack Access


Number of Exterior Pockets

6 + main compartment

Sleeping Bag Compartment


Raincover Included


Hipbelt Pockets


Removable Daypack





Contains recycled materials

Contains materials that meet the bluesign® criteria

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