Gregory Katmai 65 Pack - Men's Plus Sizes

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 $30.00 back on this item.

Members, get an estimated $30.00 back on this item as a part of your annual .

Stay organized and supported on multiday treks with the men's Gregory Katmai 65 Plus Size pack. It's designed with extended straps to accommodate larger body types and loads of storage space.

  • Features

    • Suspended mesh back panel with FreeFloat 3D comfort cradle in the lower back provides a dynamic fit and 360° of ventilation
    • Plus Size packs are designed with extended-length shoulder straps and hipbelts, plus additional fit revisions to accommodate larger body shapes and sizes
    • Extended shoulder straps add comfort where needed; revised fit wraps over the shoulders at a wider angle than standard harnesses for a wider area and more comfortable carry
    • Plus Size fit is comparable to 2x-6x in apparel sizing; the torso sizing remains consistent with all other Gregory products
    • Adjustable shoulder harness, adjustable torso length and customizable hipbelt hug the body for comfort while eliminating hot spots
    • Polygiene® Stay Fresh antimicrobial treatment keeps your pack fresh by preventing the growth of odor-causing bacteria
    • Autorotating, dual-density shoulder harness with sternum strap features an integrated safety whistle and a hydration clip
    • Perimeter alloy frame and fiberglass anti-barreling cross-stay stabilize your load
    • Made from high-density 210-denier nylon (40% recycled) and 420-denier nylon (45% recycled) with a PFC-free durable water repellent (DWR) coating
    • The recycled content of the pack helps reduce the carbon footprint by 27% compared to conventional nylon
    • Oversize front zippered compartment with mesh divider helps keep your gear organized
    • Full-length, side-loading access zipper makes unloading easy
    • Internal hydration sleeve with SpeedClip hanger compatible with Gregory 3D Hydro Trek reservoir (reservoir not included)
    • Front oversize stretch-mesh pocket with buckle closure
    • Zippered bottom compartment with removable divider houses your sleeping bag
    • Floating top pocket includes a large zippered compartment, small quick-access pocket and an underside zippered pocket with reflective attachment points and key clip
    • Side stretch-mesh pocket features over-or-under pass-through compression to keep gear secured
    • Quick-pull drawcord closure and top compression webbing straps eliminate any shifting of items in the top of the pack
    • SideWinder bottle holder allows easy one-handed access to your water bottle and tucks away when not in use
    • Sunglass QuickStow system built into the shoulder harness for quick, secure and scratch-free access to your sunnies
    • Adjustable attachment loops and upper shock locks keep your trekking poles or ice tools secure
    • ComfortGrip molded zipper pulls with molded webbing keepers help you easily manage straps


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

    Best Use


    Frame Type

    Internal Frame

    Gear Capacity (L)

    S/M Plus: 60 liters

    M/L Plus: 65 liters

    Gear Capacity (cu. in.)

    S/M Plus: 3,661 cubic inches

    M/L Plus: 3,966 cubic inches


    S/M Plus: 5 lbs.

    M/L Plus: 5 lbs. 1.1 oz.

    Adjustable Torso Length


    Fits Torso Length (in.)

    S/M Plus: 15-19 inches

    M/L Plus: 18-22 inches

    Fits Waist/Hips

    38-60 inches


    Recycled nylon

    Frame Material

    Steel frame/fiberglass

    Reservoir Compatible


    Suspended Mesh Back Panel


    Pack Access

    Top / Bottom / Side

    Number of Exterior Pockets

    7 + main compartment

    Sleeping Bag Compartment


    Hipbelt Pockets



    S/M Plus: 29 x 13 x 17 inches

    M/L Plus: 30 x 13 x 17 inches




    Contains recycled materials

  • Reviews
    10 reviews with an average rating of 4.9 out of 5 stars

    Loading Reviews...
  • Questions & Answers

    Loading Questions...