Grey Dyneema model of the Unbound. Shows off the large stretchy pockets on the front and sides of the pack.

Unbound 40

Hyperlite
$395.00
Current Stock:
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Description

Redesigned for thru hikers and long-distance backpackers, the Unbound 40 and 55 are lighter, stronger, and more comfortable thanks to an updated build with the exceptionally durable Dyneema® Woven Composite 3.9. Two contoured removable stays, a refined hip belt, and wider, more naturally curved shoulder straps improve support and comfort under heavier loads, while streamlined construction with internal seam taping and low-profile sewn-in daisy chains creates a cleaner, more functional design. A fully removable, customizable compression system makes it easier to secure trekking poles or oversized water bottles, while trail-proven features like the dual-entry front pocket, bottom pocket, V-Pull hip belt, and accessible side bottle pockets remain as intuitive and efficient as ever.

KEY FEATURES:
  • LIGHTER WEIGHT: With the new Dyneema® Woven Composite 3.9, the updated Unbound 40 and 55 offer better performance and comfort on trail while weighing less than the originals. 
  • MORE SUPPORT: Two contoured removable stays provide more support when carrying heavier loads, and redesigned wider shoulder straps feature a more natural curve for a better fit. 
  • STREAMLINED LOOK: A new modified construction allows seam taping inside of the pack without the need for the exterior binding, with a new, streamlined and user friendly sewn-in daisy chain.

Features

Top Compression Straps

  • Top Y-strap compression designed to secure gear

Shoulder Straps

  • Redesigned shoulder straps featuring an adjusted shape for a more natural curve around your neck, providing enhanced comfort. More frequent bartacks provide increased sternum strap adjustment options, allowing for a perfectly customized fit.

Front External Pockets

  • Dual entry Dyneema stretch mesh front pocket keeps your gear organized and easily accessible.

Side External Pockets

  • Large, easy-to-reach side pockets allow you to quickly grab water bottles or other essentials while on the move.

Daisy Chains

  • Low profile vertical and horizontal daisy chains enable you to attach extra gear, customizing the pack for specific trips.

Compression

  • Roll-top closure system with removable side compression straps allows for adjustable compression, adapting to varying load sizes.

Hip Belt

  • Removable hip belt offers enhanced cushioning and lets you fine-tune the pack's fit for optimal comfort.

Back Panel

  • An integrated foam back panel provides structure and ensures comfortable carry.

Stays

  • Two removable, contoured aluminum stays offer support and help distribute the load. Stays can be removed for additional weight savings.

Lashing

  • Removable shockcord lashing keeps tall items in the side pockets secure and compressed.

Top Closure

  • Removable roll-top closure system with vertical compression straps allows you to adjust the pack's volume, keeping the load compact, stable and protected from weather.

Specs

  • Volume
     
    40L
  • External Volume
     
    9L
  • Load Capacity
     
    Up to 40 lbs
  • Weight
     
    27.3 oz | 773.9 g
  • Material
     
    Dyneema® Woven Composite 3.9, 100D Dyneema® Gridstop, Dyneema Stretch Mesh
  • Back Width
     
    10.5 in | 26.7 cm
  • Height - Fully Unrolled
     
    32.5 in | 82.6 cm
  • Top Circumference
     
    36.5 in | 92.7 cm
  • Bottom Circumference
     
    36.5 in | 92.7 cm
  • Country
     
    Mexico