Gregory Katmai 55
Gregory Katmai 55
Gregory Katmai 55
Gregory Katmai 55
Gregory Katmai 55
Gregory Katmai 55
Gregory Katmai 55
Gregory Katmai 55
Gregory Katmai 55
Gregory Katmai 55
Gregory Katmai 55
Gregory Katmai 55

Gregory Katmai 55

Regular price$279.95

  • Low stock - 1 item left
  • Inventory on the way

With a dynamic fit that comfortably goes the distance and plenty of volume for your gear, the men's Gregory Katmai 55 pack keeps you organized and supported on weekend and multiday treks.


  • Suspended mesh back panel with FreeFloat 3D comfort cradle in the lower back provides a dynamic fit and 360° of ventilation
  • 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 hydration hanger compatible with a 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
  • Interior toggles connect a Gregory Nano 14 Daypack for any side trips you take along the way (daypack not included)


Best UseBackpacking
Frame TypeInternal Frame
Gear Capacity (L)

S/M: 50 liters

M/L: 55 liters

Gear Capacity (cu. in.)

S/M: 3,051 cubic inches

M/L: 3,356 cubic inches


S/M: 4 lbs. 9.8 oz.

M/L: 4 lbs. 10.9 oz.

Adjustable Torso LengthYes
Fits Torso Length (in.)

S/M: 15-19 inches

M/L: 18-22 inches

Fits Waist/Hips

S/M: 25-48 inches

M/L: 27-53 inches

Material(s)210-denier 40% recycled nylon/420-denier 45% recycled nylon
Frame MaterialAlloy steel frame/fiberglass anti-barreling cross-stay
Reservoir CompatibleYes
Suspended Mesh Back PanelYes
Pack AccessTop / Bottom / Side
Number of Exterior Pockets7 + main compartment
Sleeping Bag CompartmentYes
Hipbelt PocketsYes

S/M: 29 x 17 x 13 inches

M/L: 30 x 17 x 13 inches

SustainabilityContains recycled materials

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