Gregory Zulu 40 Pack - Men's

Color:Empire Blue
please select a Size
Choose a shipping method
To buy, sign in as an REI Co-op Member or join now.
Members get an estimated $19.00 back on this item.

Members, get an estimated $19.00 back on this item as a part of your annual .

Large enough for supplies for 2 on sunup-to-sundown adventures, the generously sized yet agile men's Gregory Zulu 40 pack can even work for nights in the wild when the gear list is shorter than usual.

  • Features

    • FreeFloat Dynamic Suspension system with independent, floating 3D lower back comfort cradle balances heavy loads with ease
    • Fully adjustable torso length with OpenAir ventilated back panel offers a customizable fit and exceptional breathability
    • Signature U-zip panel provides easy access to all of your gear, regardless of location
    • Included, fitted raincover in zippered pocket on underside of top lid keeps your gear dry when the forecast isn't
    • Sunglass QuickStow system on shoulder harness provides quick, secure access to your shades
    • SpeedClip attachment system offers compatibility with Gregory 3D Hydro reservoir (sold separately)
    • Dual side stretch-mesh pockets allow you to grab your water bottle on the go; oversized zippered hipbelt pockets provide easy access for must-haves on the trail
    • Adjustable bungee attachment lets you secure trekking poles or ice axes; sternum strap buckle has safety whistle and hydration tube hose clip
    • Top pocket with upper and underside zippered pockets, reflective lash points and key clip helps you stay organized
    • Lower side compression pass-through allows you to stabilize and balance your load
    • Front heavy-duty stretch-mesh stash pocket holds an extra layer
    • Custom-molded zipper pulls offer comfortable grip


    View the Gregory Zulu Product Line View all Gregory Backpacking Packs
  • Technical Specs

    Best Use


    Frame Type

    Internal Frame

    Gear Capacity (L)

    S/M: 38 liters

    M/L: 40 liters

    Gear Capacity (cu. in.)

    S/M: 2,319 cubic inches

    M/L: 2,441 cubic inches


    S/M: 2 lbs. 14.4 oz.

    M/L: 2 lbs. 14.9 oz.

    Adjustable Torso Length


    Fits Torso Length (in.)

    S/M: 16-20 inches

    M/L: 18-22 inches

    Fits Waist/Hips

    S/M: 27-46 inches

    M/L: 29-51 inches


    210-denier nylon/210-denier high-tenacity nylon

    Frame Material

    Spring steel

    Number of Stays


    Reservoir Compatible


    Suspended Mesh Back Panel


    Pack Access


    Number of Exterior Pockets


    Raincover Included


    Hipbelt Pockets



    S/M: 24 x 12.25 x 11 inches

    M/L: 26 x 12.25 x 11 inches



  • Reviews
    64 reviews with an average rating of 4.4 out of 5 stars

    Loading Reviews...
  • Questions & Answers

    Loading Questions...