Gregory  Zulu 45 Pack - Men's

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Color: Rust Red
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Big enough for sunup-to-sundown treks and overnights, the men's Gregory Zulu 45 pack is light and agile thanks to the FreeFloat dynamic suspension—letting your back breathe, summer or winter.

Location Image of color Rust RedLocation Image of color Rust RedLocation Image of color Rust Red
Location Image of color Rust Red


  • FreeFloat dynamic suspension system with independent, floating 3D lower back comfort cradle balances heavy loads with ease
  • Fully adjustable torso length with open-air ventilated back panel offers a customizable fit and exceptional breathability
  • Designed around the architectural principles of tension and compression, the perimeter frame provides stable yet flexible support to comfortably carry the load on your back
  • Pack body fabric is 40% recycled 400-denier ripstop polyester with a PFC-free durable water repellent (DWR); pack bottom is 420-denier nylon with a PFC-free DWR
  • Sunglass QuickStow system on shoulder harness allows for quick, secure access to your shades
  • Sternum strap buckle has safety whistle and hydration tube hose clip
  • Oversize zippered hipbelt pockets provide easy access for must-haves on the trail
  • Dual stretch-mesh side pockets allow you to grab your water bottle on the go
  • Top zippered quick-access pocket and interior zippered pocket with key clip help you organize essentials
  • Front heavy-duty stretch-mesh stash pocket holds an extra layer
  • Signature U-zip panel provides easy access to all of your gear, regardless of location
  • Adjustable bungee attachment lets you secure trekking poles or ice axes
  • Lower side compression allows you to balance and stabilize your load
  • Custom-molded zipper pulls offer comfortable grip
  • SpeedClip attachment system is compatible with Gregory 3D Hydro reservoir (reservoir not included)


View the Gregory Zulu Product LineView all Gregory Backpacking Packs

Technical Specs

Item #218004
Best Use


Frame Type

Internal Frame

Gear Capacity (L)

S/M: 43 liters

M/L: 45 liters

Gear Capacity (cu. in.)

S/M: 2,624 cubic inches

M/L: 2,746 cubic inches


S/M: 3 lbs. 8.3 oz.

M/L: 3 lbs. 11.4 oz.

Adjustable Torso Length


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


400-denier ripstop polyester (40% recycled) with PFC-free durable water repellent (DWR); lining: 135-denier polyester (40% postconsumer recycled) with PFC-free DWR; suspension: Lifespan EVA foam

Frame Material

Alloy steel

Number of Stays

1 perimeter wire

Reservoir Compatible


Suspended Mesh Back Panel


Pack Access


Number of Exterior Pockets

6 + main compartment

Raincover Included


Hipbelt Pockets



S/M: 23.2 x 13.8 x 9.1 inches

M/L: 24.4 x 13.8 x 9.1 inches




Contains recycled materials

14 reviews with an average rating of 4.2 out of 5 stars

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