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The streamlined Gregory Z40 pack helps you slim down your load for light and fast trips. It carries like a dream so you won't be sacrificing performance for comfort.

  • Features

    • CrossFlo DTS suspension provides cooling airflow across your back and effectively transfers load weight to your hips
    • Auto-Fit harness increases the stiffness of the frame as the load in the pack increases, helping ensure that the pack maintains its shape
    • Lightweight spring steel bar held in tension transfers load weight directly to the hipbelt and lumbar pad
    • 3 points of access make it easy to load and unload your gear, food and sleeping bag
    • Hydration-compatible design features reservoir pocket and dual drink-tube exit ports for on-the-go hydration (reservoir sold separately)
    • Easily accessible zippered front pocket lets you stash bulky gear
    • Top lid features a zippered pocket for stashing small items and a second compartment on the underside for securing personal items
    • Side compression straps let you cinch down loads for jostle-free carrying
    • Hipbelt pockets are ideal for stashing snacks, energy gels, lip balm, sunscreen or a mini-tool
    • Mesh side pockets provide a handy place for frequently accessed items such as water bottles, GPS, maps and snacks
    • Dual axe/tool loop attachment points let you strap on gear outside
    • Removable raincover stows in its own zippered pocket
    • Gregory Z40 pack is constructed from 210-denier HT double diamond ripstop and 330-denier nylon oxford flatweave fabric for tear strength and abrasion resistance


    View all Gregory Backpacking Packs
  • Technical Specs

    Best Use


    Frame Type

    Internal Frame


    Double-diamond ripstop nylon/flat weave oxford nylon

    Frame Material

    Tensioned spring steel

    Number of Stays

    1 peripheral rod

    Suspended Mesh Back Panel


    Pack Access


    Number of Exterior Pockets

    6 + main compartment

    Sleeping Bag Compartment


    Raincover Included




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