Outdoor 45L Backpack
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The Outdoor 45L Backpack is weatherproof, expandable, and built for adventure
What Our Gearhead® Experts Are Saying:
"This pack's internal frame adds stability without extra weight, and I appreciate the easy-access roll-top for quick adjustments. The harness system is incredibly comfortable, even with a heavy load, and the durable, weatherproof fabric stands up to the elements."
For those of us who crave the flexibility to explore without limits, the Peak Design 45L Outdoor Backpack delivers. This internally framed pack combines durability with versatility, giving us the room we need for gear-heavy adventures while maintaining a sleek and balanced carry. The Ultra Cinch roll-top design expands an additional 10.5 liters, providing extra space when we need it, and the lightweight Terra Shell fabric is tough enough to weather any challenge. With smart internal and external organization, from hydration sleeves to multiple external pockets, this pack helps us stay prepared for any unexpected turns on the trail.
Details
- Durable 45L backpack with 10.5L expandable roll-top for flexible storage
- Internally-framed design provides stability for heavy loads
- TerraShell 210D ripstop fabric is weather-resistant
- Vest-style straps and removable padded hip belt ensure a comfortable, balanced carry
- Rear access panel for quick packing and camera accessibility
- Five external Flex Pockets provide organized, easy-access storage
- Compatible with Peak Design Camera Cubes and Packing Tools (sold separately)
- Designed for gear-heavy day trips or light overnight adventures
- Item #PKEA02N
- Responsible Collection
- Recycled/Repurposed, [material] bluesign® APPROVED
- Material
- TerraShell (210D 100% recycled ripstop), PFC-free DWR treatment
- Volume
- 45L
- Support/Suspension
- nylon mesh back panel
- Shoulder Straps
- nylon mesh
- Waist Belt
- removable
- Hydration Compatible
- internal sleeve (16in laptop sleeve), external sleeve
- Access
- top
- Pockets
- 2 stretch mesh side, 2 stretch mesh harness, 1 zippered front
- Compression
- roll-top closure
- Dimensions
- 22.1 x 12.2 x 6.7in
- Activity
- hiking, travel
- Manufacturer Warranty
- lifetime
Reviews
Q&A
What do you think about this product?
Overall Rating
4.5 based on 60 ratings
Review Summary
Customer Images
Here's what customers have to say
The backpack is lightweight and comfortable, with excellent padding and adjustability to carry heavy gear. It is highly versatile with numerous pockets and attachment points for organizing a wide range of items. The construction is durable and high-quality, withstanding outdoor use and travel well. Some minor drawbacks include difficulty accessing the main compartment and the relatively heavy weight compared to other hiking backpacks. Overall, the backpack is an excellent choice for photographers, adventurers, and travelers in need of a spacious, well-designed, and functional bag.
AI-generated from the text of customer reviews.
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Selecting an option will reload the available reviews on the pageOctober 19, 2025
Solid backpack for travel and hiking, with quirks
I’ve been using my Peak Design Outdoor Backpack to haul camera gear and a few essentials around Iceland, and overall, I really like it. It’s sturdy, carries weight well, and feels like it’s built to last. Let’s start with what I don’t love: The tie-down straps: honestly, a bit annoying. I get that they’re useful, but I often find myself wrestling with them or getting them snagged on things. That said, they do a great job securing items in the side pockets so nothing slips out easily. So it’s a love-hate relationship there. The roll-top opening works well if the bag is packed full. When it’s not, the top flap feels a bit floppy and can unravel if you don’t clip it properly. Not a dealbreaker, just something to be mindful of. Then there’s the top-front pouch. I like the idea of it, but it tends to “eat” into the main compartment, which makes squeezing in bulkier items (like a rolled-up puffer jacket) a bit fiddly when the bag’s already full. Now for what I do love: This thing carries weight beautifully. You really feel the heft when lifting it by the handle, but once it’s on your back and the straps are adjusted right, the load just disappears. I’ve carried it for hours without any major fatigue. The chest straps are great, though I do wish they were magnetic as that would make clipping in and out a lot faster. The mesh pockets are a big win. Super handy for stashing my phone or small items when I’m on the move. Exactly what I want when traveling. A few extra notes: If you get the Cloud colour, you’ll definitely see signs of wear pretty quickly. But honestly, I kind of like that. Like a well-used pan, it shows character. Also, there’s a small hidden pouch inside the main compartment that’s easy to forget about. I’ve definitely thought I’d lost things a few times before remembering it exists. Because it's in the Peak Design ecosystem, their camera cubes clips in easily (I have their small sized cube semi-permanently attached). All in all, it’s a great backpack if you’re okay with a few quirks. It’s comfortable, and feels adventure-ready. Just don’t expect perfection.
Originally reviewed on Peak Design
July 25, 2025
Solid Hiking Bag
Bought this one a few weeks ago and finally put it to use and I must say it’s a terrific bag for hiking. Packs nicely and it’s the most comfy PD bag I’ve tried. Fits me like a glove (I’m 5’5” and the adjustments recommended were great.
Originally reviewed on Peak Design
June 17, 2025
Comfortable, durable and complex bag
I love this bag! I bought it for backpacking around Central Asia as a daypack that would also fit my FX3 kit and also as a cabin bag for the plane. It’s had plenty of scuffs and scrapes already (I’m two weeks into the trip) but it just bounces back. The mass of pockets is great for organisation. But when I first got the bag I fully ‘lost’ something because I forgot that those pockets existed! In hindsight sight I think I’d have been fine with the 25L but that’s my fault. I would definitely recommend it if you want something rugged, versatile and with plenty of organisation :)
Originally reviewed on Peak Design
May 13, 2025
Another Well Thought Out Bag
I cannot recommend PD gear enough. The thoughtful design of every element makes all the gear worth owning. This bag has clever storage both inside and out, fits comfortably for all the day hikes I’ve taken it on, and looks great!
Originally reviewed on Peak Design
April 28, 2025
Top Product 👍
Great backpack. The design is well-thought-out and innovative. The price is quite high, so I'm curious to see how the quality will hold up over time. So far, it's been performing great and has been very comfortable to wear on longer tours.
Originally reviewed on Peak Design
April 27, 2025
Spacious, versatile, and efficient!
I bought this bag a few weeks ago and it has been life/changing! I bought it with a large camera cube. The build quality and the customizable organization is top-notch. I’d highly recommend this product for wedding and event photographers. That said, this is not a bad bag to carry with you on long treks, if you like to do landscapes and wildlife as well!
Originally reviewed on Peak Design
April 12, 2025
The backpack that keeps on giving
I have just finished a 1 month tour of: ~Singapore, Turkey, Dubai, Tanzania & Kenya using the backpack. It’s amazing how each time I need space I find another surprise in a space or methods of using it. It wonderfully easy to add storage space no matter the size. I used it as a carry on and it is perfect.
Originally reviewed on Peak Design
April 7, 2025
Excellent hiking pack
I finally had a chance to take the PD outdoor bag on some serious hiking. I had avoided the previous PD bags due to the lack of a solid hip belt, so I used an REI day hiker with a small camera cube. That worked, but it was always frustrating due to the cube not being secure in one place. I love that i can secure my smedium cube at the bottom of the bag with the back panel access. My only gripe here is that the loops to secure the smedium cube with the c-clips were not perfectly aligned so it was tough to get a secure connection on one side. Never-the-less I made it work. I was worried about the performance of the roll top closure, however with the magnets to bring the sides together it actually works pretty well as long as you don't over fill. On my previous bag, I had the capture clip on the shoulder belt but after a long hike one of my shoulders would be sore and knotted up due to the weight on one side. On the Outdoor bag I tried mounting the clip on the hip belt. This was far more comfortable for me, though I could see someone being annoyed with the camera being near where you hands come to rest hanging down. I think you could get a bag that functions similarly at another manufacturer for less, however I've experienced PD standing by their lifetime warranty and if you can stomach the initial price then you know you have a product for life. All in all the bag is very functional and I'm super happy with the purchase. Looking forward to some summer hiking!
Originally reviewed on Peak Design
April 7, 2025
Unexpected Range Bag
Originally thought this would be a nice hiking camera bag but the large camera cube is actually pretty cramped. The back panel opening is just slightly too small to really access the entirety of the camera cube so that got a little annoying. So I went back to just using the large camera cube with the 35L duffel. The straps could also be more comfortable (kinda like Osprey packs) and the string sternum straps are a little fiddly to use so I stopped using them. The outdoor backpack is actually quite a nice range day bag and fits multiple pistol pouches in the main compartment along with ammo, ear/eye protection, and miscellaneous tools. The outer quick access compartment behind the rugged flap is perfect for my B&T GHM9 to be stowed away with the stock collapsed (the SBR measures ~19" and fits pretty well). The side pockets easily store rolled up targets and suppressor. It's really a nice surprise because the backpack doesn't scream range bag but fits everything I'd ever need to bring. In all, slightly disappointing as an outdoor camera bag but pretty awesome as a range bag.
Originally reviewed on Peak Design
April 4, 2025
Review after National Parks Trip
I used a 45L Outdoor Backpack for a Utah National Parks trip. The bag safely stored my camera gear (one body, two lenses, some accessories) along with my electronics, water bottle, and random other things. This bag is probably a little too tall to fit under the seat so I had to carefully place my feet on the ground. On the ground, it was good but I do miss the quick camera access provided by the Everyday Backpack. Due to hiking in rough terrain, I was not comfortable using a Capture Clip. It was quite comfortable hiking. I liked the chest straps, load lifters, and waist belt options. I think it's more comfortable than the Everyday Backpack. I would not place a water bladder beside my camera gear. The outer cover got marked up and maybe that's a badge of honor, but it looks nice when it's shiny so I used a wet cloth to wipe it down periodically.
Originally reviewed on Peak Design
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January 21, 2025