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Gregory Miwok 18

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Reflex Blue

The Gregory Miwok 18 is an all-terrain, lightweight and breathable backpack that allows a perfect fit with a wide range of adjustments and a dynamic harness. 

To reap the full reward of the design of the Gregory Miwok 18 pack, you need a perfect fit. There is variable positioning in the BioSync shoulder harness, provided by a secure hook-and-loop panel interface that allows for infinite fine tuning along a wide range of adjustment. When combined with new BioSync body wrapping design, flexible “tendon” harness linkages, and dynamic harness and hip-belts that flex and adapt to your every movement, the Miwok experience has been taken to the next level.

Adjustable Torso Length - 9 cm of torso length adjustment with integrated BioSync harness featuring unique Sunglass stow system.

BioSync Flexible Tendons - Stretch mesh integrated into the harness attachment works with your bodies natural movement to keep the pack balanced when you have tunnel vision on single-track.

BioSync Wrap Hipbelt - Stretch construction and a full surround belt create a stable, flexible platform for quick hikes during magic hour. Dual zippered hipbelt pockets complete the package.

Airwave Backpanel and Moisture Wicking Harnesses - 3D open-air backpanel reduces back contact and encourages airflow. Moisture wicking aero-mesh on backpanel and harnesses transfer and evaporate sweat as your body temperature rises.

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  • Front zippered pocket with soft-touch, padded liner to protect sunglasses and electronics
  • Dedicated, zippered hydration pocket with SpeedClip attachment system for compatibility with Gregory’s 3D Hydro reservoir
  • Sunglass QuickStow system on shoulder harness for quick, secure and scratch-free access to your shades without taking the pack off
  • Front and side stretch mesh pockets for quick access to water bottles and an extra layer
  • Custom comfort-grip moulded zipper pulls
  • Zippered interior mesh organisation pocket with key clip
  • Moulded webbing keepers for strap management
  • Stow-able trekking pole attachment system with quick-hook clip
  • Side compression to stabilise your load
  • Sternum strap buckle with integrated safety whistle


    • Body - 210D Honeycomb Cryptorip Hd Nylon
    • Base - 420D High-Density Nylon
    • Harness/Hipbelt/Lumbar -  Perforated Eva Foam
    • Chasis Support - Supportive Dual Density Foam Framesheet With Perforated Eva Top Layer
    • Lining - 135D High-Density Embossed Polyester 


      • Dimensions (cm): 50.8 x 24.1 x 21.6
      • Back Length (cm): 47
      • Max. Carry (Kg): 9.1
      • Hydration Compatible: Yes
      • Ice Axe Holder: No
      • Volume (L): 18
      • Weight: 840g
        Customer Reviews
        5.0 Based on 1 reviews
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        • day sack
        • adjustment
        • build quality
        • pockets
        • loads
        • harness
        • walks
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        United Kingdom United Kingdom
        Awesome day sack ! great features & pockets

        Wow - ordered one of these as I often want a smaller day sack for walks. This was amazing value. The build quality is great and loads of well positioned pockets. Also beautiful fit adjustment on the harness. Fantastic