The Black Diamond Cirque 35 ($250) takes a stripped-down approach to ski pack design. It has minimal padding, no frame, and just a few pockets. That simplicity pays off in some ways—especially when you’re moving fast—but it also results in compromises to comfort and gear access. This pack requires careful packing, although if you do so correctly, the Cirque has everything you need to pull off a technical ski mountaineering mission. Just don’t expect the plushness or support you’ll find in heavier, more feature-rich models.
Comfort & Support
Organization
Versatility
Durability
Weight
Sustainability
Weight
2 lb. 6.1 oz.
Capacities
35L (25L, 50L)
Avalanche tool pocket
Yes
Fabric(s)
210D nylon with UHMWPE grid
Pros
Cons
Black Diamond Cirque 35
For this season's top models, see our guide to the Best Ski Backpacks.
There’s not a lot of cushion in the Black Diamond Cirque 35, and this pack lacks a frame or a stiff framesheet. That’s a major difference from competitors that scored well in this category, such as the Osprey Soelden 32 and the Raide LF 30L, and the Cirque’s lack of structure is noticeable right away. I could feel hard or awkwardly placed items against my back if I didn’t take time to pack carefully, but once I dialed that in—stuffing soft layers closest to the backpanel—the pack felt fine on full-day tours. The Cirque’s shoulder straps and hipbelt are also on the thin side, but they’re well-shaped and keep the pack snug through climbs and descents.
Thankfully, the Black Diamond Cirque 35’s relative lack of structure doesn’t affect it as much on descents as, say, the annoyingly cumbersome Mammut Nirvana 28. I put in a handful of days on Teton Pass with this pack, including some long tours and a couple of 1,000-foot bootpacks. Even without a framesheet or internal structure, the Cirque remained stable. On the uphill, it hugged my torso close and didn’t bounce, and on the downhill, I barely noticed it was there, even when dropping a few small cliffs. I wouldn’t load this ski backpack down with more than 20 pounds, but if you’re packing it with the average amount of gear required for normal tours, its comfort is surprisingly solid given how minimal the design is.
The Cirque has just enough organization to keep things simple but functional. You can get into the main compartment via a roll-top opening and a side zip, which proved useful for quick access. I liked being able to dig into the top of the bag during transitions and use the side zipper when I needed something deeper down. That said, I did miss backpanel access (which the Osprey Soelden 32, Raide LF 30L, and Ortovox Switchback 32 all have), especially during gear-intensive days. Without a frame to hold its shape, the main compartment can collapse a bit, making it harder to fish things out if you didn’t pack precisely.
As with almost all medium-sized touring backpacks, this one has a separate avalanche tool pocket with three internal sleeves—plenty of space for a probe, shovel handle, and blade, plus a snow saw or study kit. I really appreciated the avy tool compartment’s drain holes, and the pocket itself is large enough to stash a wet layer if needed, which should help keep the rest of your gear dry. Up top, there’s a medium-sized zippered pocket that I used for goggles and gloves. It’s not fleece-lined (which would’ve been nice), but it was easy to reach and kept essentials close at hand. Inside the main compartment, there’s a hydration sleeve and a zippered pocket for smaller items like a headlamp, sunscreen, or tools.
I also appreciated the Cirque’s ski- and snowboard carry options. The modular system is both smart and practical—diagonal, A-frame, and vertical board carry are all handled using the same straps, which you can run either across the pack’s sides or back. The diagonal ski loop was especially easy to use without needing an extra Voile strap (a rare quality, in my experience). This is one of the few ski backpacks where I didn’t feel like I had to hack the ski carry to make it work. Finally, the Cirque has a rope strap up top and dual ice tool carry, which makes sense given its intended use as a minimalist, technically savvy model. Some folks may want more organization, but if you have a pared-down, dialed gear system, it will probably serve you well.
Despite its relatively bare-bones feature set, the Black Diamond Cirque 35 held its own across a range of backcountry outings. I took it on ski tours both short and long, bootpacked with skis in both A-frame and diagonal configurations, and even used it on bottomless powder days where I kept going back for lap after lap. For single-day ski mountaineering, it’s totally dialed—there’s room for the essentials, a couple of extra layers, and enough modular carry options to handle technical approaches.
What the Cirque isn’t is a pack for resort-accessed laps or overnight trips. The roll-top design gives some wiggle room if you want to stuff this pack to the absolute gills, but I’d argue that the lack of support won’t make that a very comfortable experience on the uphills. I didn’t feel like the pack held me back, but I did notice that I had to be thoughtful about how I packed and what I brought. Overall, though, for 75% of backcountry missions, the Cirque delivers exactly what I need and nothing I don’t.
Black Diamond designed the Cirque with 210-denier nylon that has a grid made from ultra-high-molecular-weight polyethylene (or UHMWPE, better known as Dyneema). The material is fairly thin but tough for its weight, although it’s not as bomber or waterproof as the full-UHMWPE fabrics found on the Raide LF and the Hyperlite Mountain Gear Headwall 55 (having said that, those packs are consequently much more expensive). After nearly a dozen tours, including some days of aggressive tree skiing and rugged bootpacks, the fabric still looks great. I noticed some minor scuffing where ski edges rubbed against the front of the pack in diagonal carry mode, but that’s par for the course and hasn’t affected performance.
The Cirque’s zippers and buckles all feel high quality and work smoothly in cold weather, and I haven’t seen any fraying on the ski carry straps. This pack doesn’t feel overbuilt, and that’s intentional. It trades ruggedness for weight savings, and in my experience, that’s been a worthwhile tradeoff. I wouldn’t drag it through granite chimneys or use it as a crag bag, but for ski touring, it’s held up better than I expected for something this light and stripped down.
At 2 pounds 6.1 ounces for a 35-liter capacity, the Black Diamond Cirque 35 delivers an impressive weight-to-capacity ratio. It undercuts many comparable ski backpacks in its class: the Raide LF 30L is slightly lighter at 2 pounds 5.4 ounces but offers less storage, while the Osprey Soelden 32L tips the scales a bit heavier at 2 pounds 8 ounces. For those chasing ultralight setups, the Hyperlite Aspect 32 shaves more weight at just 1 pound 11.3 ounces—but that comes with a stripped-down design. For most users, the Cirque’s balance of low weight and usable space hits a very reasonable sweet spot.
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PFAS-Free DWR
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Resale and/or Recycling Services
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Annual Impact Report
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I tested the medium/large version of the Cirque, which also comes in a small/medium size. I have a 20-inch torso, and the pack fits me really well. The shoulder straps and hipbelt were easy to dial in, and the pack stayed centered on my back during all types of movement. Once I put the Black Diamond Cirque 35 on, I didn’t have to mess with it again—it felt secure and stable, even with skis strapped on and weight shifting around during descents.
Raide LF 30L ($399): Everything in Its Right Place
The LF 30L differs from the Cirque in two major ways, the first of which is organization. While the Cirque subscribes to a less-is-more pocket mentality, the LF has a specific place for every conceivable piece of gear you’d want for a day in the backcountry. Its revolutionary avalanche tool pockets (shovel and probe are stored separately, and you can access each of them without taking your pack off) are fantastic in practice, and two hipbelt pockets, a semi-internal helmet carry, and a large exterior zippered pocket keep everything where you need it. It also has an internal metal frame and thus shoulders weight much better, with a capacity that feels larger than its stated size. Finally, the LF is made almost completely from UHMWPE fabric, which is much tougher than the Cirque’s material. All you have to do is pony up almost $150 extra dollars; aye, there’s the rub. For more, read our Raide LF 30L review.
Ortovox Switchback 32 ($240): More Well-Rounded, Less Durable
The Switchback 32 also lacks a frame and a framesheet. However, its foam backpanel is both stiffer and thicker than the Cirque’s, and so our tester reported that it felt much better when she was hauling her load up the mountain as well as ripping back down it. This pack, like the LF 30L, is also much more organization-oriented compared to the Cirque, highlighted by a convenient side stash pocket for a water bottle or crampons and a stretch pocket on the left shoulder strap that fits a phone or snacks. However, the Switchback’s durability might be similarly compromised by 100-denier polyester side sections that are even thinner than the Cirque’s UHMWPE grid material, so you’ll have to be aware on rock scrambles and when attaching your sharps. The Cirque might make more sense for paring down your kit for an alpine assault, while the Switchback would be our call for everything else. For more, check out our review of the Ortovox Switchback 30 S.
Not every ski pack has to be a pocket-riddled, overbuilt beast. The Cirque 35’s minimalist design will appeal to fans of keeping things simple yet technically proficient, although we found ourselves wishing for more structure and padding from the thin backpanel.
Comfort & Support
Organization
Versatility
Durability
Weight
Sustainability
Raide is relatively new to the scene, but it hasn’t wasted any time jumping to the front of the pack. The LF 30L leverages ultra-premium UHMPWE fabric, innovative storage solutions, and oodles of features into a fantastic package. If only the price weren’t as scary as a persistent weak layer.
Comfort & Support
Organization
Versatility
Durability
Weight
Sustainability
The Switchback is one of the most well-rounded ski packs we’ve tested. It’s sized just right for run-of-the-mill single-day tours, but it has a feature set that can handle more vertical endeavors. There are a couple of design quirks, though, and some competitors cost less.
Comfort & Support
Organization
Versatility
Durability
Weight
Sustainability
If you want a lightweight, minimalist ski touring pack that still brings smart design to the table, the Black Diamond Cirque 35 is a compelling choice. It won’t cushion your load or isolate your back from sharp gear, but if you pack intentionally and travel relatively light, you’ll appreciate its clean layout and clever modular storage options. This is a ski backpack for folks who prioritize simplicity and don’t want extra bells and whistles weighing them down. For big mountaineering days or ultralight missions with technical gear, it hits a sweet spot. Just don’t expect it to babysit your spine—that’s on you.
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