Sirrus 34L Backpack
Size:
Quantity
Join Summit Club+ and earn $20.00 cash back!
Technical 34L daypack with ventilated Airspeed suspension and all-weather versatility
What Our Gearhead® Experts Are Saying:
"The Sirrus 34 is that rare pack that feels stable and breathable at the same time. The Airspeed suspension really shines on warm climbs, and the panel access and rain cover make it an easy grab for everything from day hikes to overnight trips."
When the trail turns steep and the day stretches long, we load up the Osprey Sirrus 34L Backpack for balanced carry and ventilated comfort. The women’s-specific Airspeed suspension system lifts the pack away from our back, keeping airflow high and sweat low. Thoughtful organization—including a lower sleeping bag compartment, zippered hip belt pockets, and internal storage—makes it easy to find what we need on the move. Dual compression straps stabilize heavy loads, and the included rain cover ensures we’re ready when the weather turns. Whether we’re hiking canyon switchbacks or trekking to the next hut, the Sirrus keeps the journey light, cool, and organized.
Details
- Technical daypack ready for tricky hiking ascents
- Airspeed suspension optimized for ventilation and stability
- Shoulder straps and hip belt use soft EVA spacer mesh foam
- Stow-on-the-Go trekking pole carry for easy access to the sticks
- Dual compression straps pull its contents in snug and centered
- Lower compartment access with floating liner separates gear
- Included rain cover readies you for wet weather
- Item #OSPZ1CX
- Responsible Collection
- Bluesign Approved
- Material
- [main] 210D recycled honey comb nylon, DWR finish, [accent, base] 420D recycled nylon, DWR finish
- Volume
- 34L (2075cu in)
- Support/Suspension
- Airspeed
- Shoulder Straps
- EVA, spacer mesh
- Waist Belt
- EVA, spacer mesh
- Hydration Compatible
- yes
- Access
- top, bottom
- Pockets
- [external] 2 side stretch mesh, 2 zippered hip belt, 1 zippered front stash, [internal] 1 zippered top lid
- Gear Loops
- yes
- Ice Axe Carry
- single
- Trekking Pole Carry
- yes
- Compression
- dual side
- Rain Cover
- included
- Weight Capacity
- 30lb
- Dimensions
- 10.6 x 22.4 x 14.1in
- Claimed Weight
- 3lb
- Activity
- hiking
- Manufacturer Warranty
- lifetime
Reviews
Q&A
What do you think about this product?
Overall Rating
4.5 based on 8 ratings
Review Summary
View
Selecting an option will reload the available reviews on the pageOctober 25, 2025
Love the look and feel
[This review was collected as part of a promotion.] Love the look and feel of this backpack!! Roomie enough to pack all the essentials for a great backpacking adventure!
Originally reviewed on Osprey
August 8, 2025
Amazing backpack - I used
[This review was collected as part of a promotion.] Amazing backpack - I used it for my backpacking trip in Twins Lake, Colorado for 4 days.
Originally reviewed on Osprey
June 23, 2025
Not same as Stratos but for women
I’m really disappointed. These are advertised as a Stratos, but fitted for women. It is not the same design as a stratus. The zippers on a stratus allow for it to open up completely for putting your belongings. This one is a top load, which is a completely different type of backpack in my opinion. I will be returning this right away and ordering a stratos.
Originally reviewed on Osprey
March 19, 2025
Awesome pack!
I bought this pack for long hikes. We are doing a Grand Canyon R2R in October and I needed more than my annoying, small, backpack. Which was more like a book bag. But the pack is perfect for shorter hikes, too. It fits the body SO well! I am 5' 4" with long legs and a short torso. I got the Small. The adjustability of the pack is what makes it great. It sits so nicely on my hips and distributes the weight perfectly. No back strain at all. I love the hip strap zippered pockets for little things like my phone and some tissues. The pack is great for organizing everything. It's lightweight and feels very stable, meaning, it doesn't throw my balance off at all. I really can't say enough about the pack. I am so glad I got it!
Originally reviewed on Osprey
December 30, 2024
Sirrus
I like this bag. I wouldn't want to be overloading it though, as it doesn't feel quite as comfortable as my larger Osprey bags.
Originally reviewed on osprey-emea
July 11, 2024
Love the pack - fits
[This review was collected as part of a promotion.] Love the pack - fits perfectly and is very comfortable. My only complaint is that the frame squeaks.
Originally reviewed on Osprey
March 2, 2024
So Comfortable
I took this bag on a tiny test trip and have to say it was so comfortable. The way it hugs the hips perfectly without feeling loose or tight is amazing. The harness didn't squeeze my shoulders like a lot of packs do so it worked really well with the weight I was carrying. The backpanel was also distributing the weight really well and let my back breath with the space for air flow. I would take this bag on a bigger day hike anytime. 10/10
Originally reviewed on Osprey
January 5, 2024
Love my pack and Osprey service!
I broke a pack strap and needed to upgrade the size, right before leaving for Africa and climbing Kilimanjaro. I called Osprey for help and they were able to expidite my order. There were several difficulties with my trip, including lost luggage and no supplies for my climb. Fortunately my Osprey pack was able to hold the esssentials and then the items I had to rent along the way. It fits perfectly as an airline carry on, has pockets for accessing little things on the go and is comfortable enough for a multi-day climb. Very pleased with the space and performance!
Originally reviewed on Osprey
Do you have a question about this product?
Related Searches
Osprey Sirrus 34 Backpack reviewBest daypack for challenging hikesAirspeed suspension for ultimate comfortWomen’s hiking backpack with ventilationLightweight 34L backpack for trekkingDurable recycled materials in backpacksVersatile backpack with trekking pole carryTop access hiking daypack featuresRain cover included for wet conditionsErgonomic design for all-day comfortCompact backpack for outdoor adventuresOsprey Sirrus 34 specifications and featuresLearn more about Sirrus 34L Backpack