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Zulu 45L Backpack

3.875 out of 5 stars
8 Reviews
Color:Forage Green


Size Chart


Why We Like The Gregory Zulu 45L Backpack

Built for overnight backpacking trips, Gregory's Zulu 45L Backpack puts comfort forward. The ventilated back panel creates open space that aerates our back and lets heat escape while the FreeFloat suspension flexes with our body for a comfortable, body-hugging fit that's designed to prevent chafing. We like the large U-Zip opening for easy access to our gear and also like all the external pockets that Gregory packed into the Zulu—the extra-large zippered hip belt pockets, front stretch-mesh pocket, dual mesh side pockets, and top zippered pocket on the floating lid. That gives us plenty of places to stuff our gear for an overnight backpacking trip to our favorite forest, mountain, or park. The 45-liter pack can carry up to 40 pounds, but it's best for overnight trips with less gear to pack.


  • Feature-rich backpack for overnighters
  • High-denier fabrics add durability and abrasion-resistance
  • Adjustable torso provides 3.5in of adjustability
  • Shoulder harnesses are perforated to maximize airflow and comfort
  • Alloy steel frame secures load and shifts weight to hips
  • AeroSpan ventilated suspension keeps us cooler and drier
  • Hydration sleeve with SpeedClip hydration hanger
  • Dual-layer bottom panel for added durability
  • Item #GREZ09C
Responsible Collection
[face fabric] 400D recycled polyester, PFC-free DWR, [bottom] 420D nylon, PFC-free DWR, [lining] 135D recycled polyester
[S/M] 43L (2624cu in), [M/L] 45L (2746cu in)
Perimeter wire, FreeFloat
Shoulder Straps
Waist Belt
Hydration Compatible
Reservoir Included
Top, Front Panel
2 zippered hipbelt, 1 top, 2 stretch side, 1 stretch front
Ice Axe Carry
Trekking Pole Carry
Sleeping Bag Compartment
Rain Cover
Weight Capacity
[S/M] 25 x 12.75 x 12.5in
Claimed Weight
[S/M] 3lb 7.2oz, [M/L] 3lb 11.2oz
Manufacturer Warranty

Overall Rating

4 based on 8 ratings

Review Summary

1 Stars - 2 reviews
2 Stars - 0 reviews
3 Stars - 0 reviews
4 Stars - 1 reviews
5 Stars - 5 reviews

What do you think about this product?


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1 out of 5 stars

May 21, 2024

I Do not recommend Gregory Zulu 45

Love the pack but the chest strap is cheaply made. Wish I had checked the reviews before purchasing . I definitely do not recommend this product. I also have the the Jade 38 and pray that the strap is better made than the Zulu 45

user image

Originally reviewed on Gregory

5 out of 5 stars

April 9, 2024

Solid pack, carry’s weight well. Runs a little small but adjustable.

Bigelow C

Originally reviewed on

1 out of 5 stars

April 5, 2024

Zulu 45 chest strap broken

The clip for adjusting chest strap height snapped off first time adjusting it, can't find replacement clips which is crazy seeing as it is made so flimsy. Very dissatisfied


Originally reviewed on Gregory

4 out of 5 stars

January 31, 2024

seems like its well built and should hold up to daily use for seasons to come

Jason H

Originally reviewed on

5 out of 5 stars

December 24, 2023


Needed a bigger pack to haul all my stuff to mountain for ski patrol. This packs holds lots, love that I can access it via the zipper. adjustable and comfortable. Time will tell if it holds up

Timothy S

Originally reviewed on

5 out of 5 stars

August 15, 2023

Great pack

Great for backpacking. Good balance between weight and features

George T

Originally reviewed on

5 out of 5 stars

May 24, 2023


I’ve had Osprey bags in the past and just recently bought a Kelty bag that I returned. I came across the Zulu during my search, which definitely peaked my interest. Local store had one and I got the chance to try both Osprey and Zulu packs on in the store, all I can say is it really wasn’t a tough decision. I don’t have anything bad to say about Osprey packs, but, for me, the Zulu was in another league. I highly recommend, you won’t be disappointed!!


Originally reviewed on Gregory

5 out of 5 stars

April 9, 2023

Light weight, comfortable, but also user friendly

[This review was collected as part of a promotion.] I used this pack last week. I didn't put a ton of miles on it, but I did use it enough to give it a pretty fair assessment. For the price, this is a solid pack. You get a fair exchange of quality for the list price. Is it as nice as the elite Gregory packs? No. But it is a GREAT pack if you like a light, durable, and comfortable pack for overnight (max 2 night?) trips. The pockets on the side are functional and large. Hydration system incorporation is very satisfactory. The hip pockets hold a large cell phone, so it is convenient if you use cell phone based mapping. The pack seems to hug your back. I appreciated the lack of shifting that other packs I have used seem to struggle with. Good side pockets. No sleeping bag compartment, which I did miss (but most new bags are small enough maybe the compartment isn't that beneficial anymore?)


Originally reviewed on Gregory