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Lowepro Pro Trekker BP 550 AW II Backpack (Gray, 40L)

BH #LOLP37270GRL • MFR #LP37270-GRL
2 reviews
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Lowepro Pro Trekker BP 550 AW II Backpack (Gray, 40L)
Key Features
  • Holds Pro DSLR/Mirrorless Bodies
  • Holds Lenses, Flash & Accessories
  • Holds 15" Laptop & 10" Tablet
  • Adjustable MaxFit Divider System
The 40L Pro Trekker BP 550 AW II Backpack from Lowepro keeps a professional mirrorless camera with 70-200mm lens attached, a drone kit, four lenses, two flash units, and accessories protected during transport. Alternatively it can hold a professional DSLR camera with grip and attached 400mm lens, two additional lenses, and two flash units. The fully customizable MaxFit system has pocket dividers, a split level partition for stacked flash units, and a removable gear box that can be stored in the pack or under the compression lid. The CradleFit sleeve in the front pocket stores your 15" laptop and a 10" tablet. The lid detaches and converts to a personal carry-on size bag.
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Lowepro Pro Trekker BP 550 Overview

The 40L Pro Trekker BP 550 AW II Backpack from Lowepro keeps a professional mirrorless camera with 70-200mm lens attached, a drone kit, four lenses, two flash units, and accessories protected during transport. Alternatively it can hold a professional DSLR camera with grip and attached 400mm lens, two additional lenses, and two flash units. The fully customizable MaxFit system has pocket dividers, a split level partition for stacked flash units, and a removable gear box that can be stored in the pack or under the compression lid. The CradleFit sleeve in the front pocket stores your 15" laptop and a 10" tablet. The lid detaches and converts to a personal carry-on size bag.

Transport
  • Adjustable backpack straps
  • Removable waist belt
  • Stowable harness and removable waist belt
Storage
  • Removable SlipLock tripod cup
  • Zippered stash pocket for your phone, ID, wallet, keys
  • 2 QR accessory straps and extended tripod cup
  • CradleFit front pocket for suspension and protection of 15" laptop and 10" tablet
  • Customizable MaxFit divider system with split level partition for stacked flashes
  • Removable gear box for cables, batteries, accessories, and small parts or a Mavic Pro kit
  • Attachment system for adding extra gear
Construction
  • 1680D ballistic polyester, 420D ripstop nylon, 500D polyester
  • All-weather cover for protection from the elements
  • SlipLock modular components

 

UPC: 719821479222

Lowepro Pro Trekker BP 550 Specs

Key Specs
Color
Gray
Carry/Transport Options
Backpack Straps with Sternum Strap, Handle, Waist Belt
  • Padded Strap: Yes
Type of Closure
Zipper
Interior Type
Main Compartment: Adjustable Dividers (Hook & Loop)
Laptop/Tablet Compatibility
Single Compartment: Fits 15" Laptop
Water Resistance
Rain Cover Included
Dimensions
19.3 x 13.8 x 9.8" / 49 x 35.1 x 24.9 cm
20.1 x 13.8 x 9.5" / 51.1 x 35.1 x 24.1 cm (Not Expanded)
Weight
8.1 lb / 3.7 kg
Color
Gray
Camera Compatibility
Universal
Carry/Transport Options
Backpack Straps with Sternum Strap, Handle, Waist Belt
  • Padded Strap: Yes
Type of Closure
Zipper
Interior Type
Main Compartment: Adjustable Dividers (Hook & Loop)
Laptop/Tablet Compatibility
Single Compartment: Fits 15" Laptop
Features
Bottle Pocket
No
Hydration Bladder Compatible
No
RFID-Blocking Pockets
No
Stand/Tripod Holder
No
Side Access
No
General
Water Resistance
Rain Cover Included
Maximum Volume
10.6 gal / 40 L
Padded Interior
No
Materials
Exterior: Nylon, Polyester
Dimensions
Exterior
19.3 x 13.8 x 9.8" / 49 x 35.1 x 24.9 cm
20.1 x 13.8 x 9.5" / 51.1 x 35.1 x 24.1 cm (Not Expanded)
Interior
18.1 x 12.2 x 6.7" / 46 x 31 x 17 cm
Weight
8.1 lb / 3.7 kg
Packaging Info
Package Weight
9.465 lb
Box Dimensions (LxWxH)
24.8 x 14.7 x 13.4"

Lowepro Pro Trekker BP 550 Reviews

Solid Wildlife Gear Hauler with a Few Design Tradeoffs

By R.F
Rated 4 out of 5
Date: 2026-07-01

It’s a great bag, easily carries a super-telephoto lens with a pro body. My only two gripes are that the laptop sleeve doesn’t have a zipper and it doesn’t have back-panel access. It’s very well built and feels solid once you load it up, and everything stays well protected inside. I’ve carried my Z9 with the 800PF, plus the 100–400, and even a Z8 as a second body, along with a 24–70 and a few extra small accessories like batteries and cards, and it handled it fine. Space-wise it’s actually pretty impressive for that kind of kit.

THE best camera bag...period!

By Matthew
Rated 5 out of 5
Date: 2023-11-15

I purchased this in Mar 2022, and to this day never regretted that investment. One body, seven lens, pouched accessories, two extenders, gear pouch, etc. all fit nicely inside this TSA/Airline approved sized bag. Live in New England, went to Hawaii and Northwest US several times with no issue whatsoever. The quality of the fabric inside and out is top-notch. The configurability is create (love the dividers that hold small things like batteries!). The hip strap is removable...took mine off on day 1 and have never used it. (I'm a male, 6'1, 200 lbs as reference.) Lowepro is famous for its bags, and their variety of styles. This one is clearly for someone who wants to haul the photography gear with them on trips, be they urban or rural, doesn't matter (yes, there's a rain cover, too). The top lid is a fanny pack if you like the 80's and need one in a pinch. One Note: if you are flying, don't put the gear pouch under the top lid as the pictures show because it will be too tall (maybe for some airlines). Mine is in the main compartment and I still carry seven lens from macro, primes, and the venerable 70-200 with no room issues. One the road, sure, move it to the top. Depending on what you store in the gear box, it might make the pack top-heavy. What I do is just put soft items in the top lid...lens wipes, travel towel, straps, etc. No complaints. OK, have to have one con. The laptop compartment, while capable of a 16 MacBook Pro, is NOT environmentally sealed. The top is just a magnetic catch, from the top direction. The top lid might cover the opening if you cinch it down. This is the bags ONLY downfall in my opinion. Fortunately, I just carry cards and do processing back home. Get it...you will love it.

See any errors on this page?

Would this fit a Nikon 800mm with or without a Z8 ...

Would this fit a Nikon 800mm with or without a Z8 attached? and a separate 180-600?
Asked by: OVIDIU
The Lowepro Pro Trekker BP 550 AW II Backpack (Gray, 40L) would fit the Nikon Z8 plus the 180-600mm lens attached. It would be too small for the 800mm lens with the Z8 attached, but you can fit the camera plus both lenses.
Answered by: Elliot A
Date published: 2026-01-19

Is there a way to remove the waist straps and ...

Is there a way to remove the waist straps and shoulder straps to make it more airport/airline friendly?
Asked by: John
The Lowepro Pro Trekker BP 550 AW II Backpack (Gray, 40L) has a removable waist strap, but the shoulder straps are not removable.
Answered by: Daniel C
Date published: 2025-04-23

What I mean about the straps is that they could ...

What I mean about the straps is that they could get caught in the belts in the baggage area or be mishandled and ripped. ?
Asked by: John
The Lowepro Pro Trekker BP 550 AW II (40L) has a rain cover that you can stretch over the bag to limit the risk of the straps getting caught on a conveyor belt. Also most carry on luggage can be placed in a bin before it is scanned so it does not actually touch the belt.
Answered by: Dan W
Date published: 2025-04-24

What is the max torso length on this backpack?

What is the max torso length on this backpack?
Asked by: Sidney
The height of the Lowepro Pro Trekker BP 550 AW II Backpack (Gray, 40L) is 20.1", so that would be the maximum torso length.
Answered by: Boyd H
Date published: 2026-04-21

can this bad fit Canon RF 200-800mm f/6.3-9 IS ...

can this bad fit Canon RF 200-800mm f/6.3-9 IS USM Lens attached with camera body?
Asked by: Bo
Yes. The Lowepro Pro Trekker BP 550 AW II Backpack will fit the Canon Canon 200-800mm lens attached to a camera body.
Answered by: Dan W
Date published: 2024-05-27

In what ways is this new version of the Lowepro ...

In what ways is this new version of the Lowepro Pro Trekker BP 550 AW II better than the previous version?
Asked by: Maurice
the previous model of the Lowepro Pro Trekker BP 550 AW II Backpack was not accepted as a carry on bag therefore the redesign and made the 2nd generation more compact and functional.
Answered by: Llinelva D
Date published: 2023-12-27

Will the DJI Mini 4 Pro fit within the GearBox ...

Will the DJI Mini 4 Pro fit within the GearBox that is included with the Lowepro Pro Trekker BP 550?
Asked by: Maurice
Lowepro states that the Gear Box included in the Lowepro Pro Trekker BP 550 AW II Backpack (Gray, 40L) can fit the DJI Mavic Pro Drone, which is larger than the DJI Mini 4 Pro Drone, so the Mini 4 Pro should fit.
Answered by: Tim Z
Date published: 2025-04-01
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