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Cirque 45 Pack

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Our large-capacity, ultralight ski pack, the Cirque 45 is designed with inspiration from our climbing packs, making it the ultimate tool for serious ski mountaineers, with all of the features needed for technical alpine objectives in a clean and simple design. Compatible with our AvaLung Element (sold separately). READ MORE
Item# BD681193ULBLM_L1


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Our large-capacity, ultralight ski pack, the Cirque 45 is designed with inspiration from our climbing packs, making it the ultimate tool for serious ski mountaineers, with all of the features needed for technical alpine objectives in a clean and simple design. Compatible with our AvaLung Element (sold separately). Learn More


Fully dialed for demanding ski lines from the Chugach to Chamonix, the Black Diamond Cirque 45 is our technical ski mountaineering pack with a large-sized capacity for big missions and overnight trips. The Cirque’s minimalist construction features an active suspension, as well as our unique CINCH closure system that opens or closes the top with a single pull. A slide-in avy tools pocket and rope and ice tool attachments secure all your gear, while a quick-deploy piolet system that is compatible with piolets, technical tools and mixed tools comes in handy during unexpected sections of no-fall terrain.

  • Active, form-fitting suspension with SwingArm™ shoulder straps, stretch-woven hipbelt pocket and single gear loop
  • Unique CINCH closure opens or closes with a single pull;
  • Detached, ultralight SilNylon lid pocket (sold separately)
  • Integrated avy tools pocket with drain holes
  • Tuck-away diagonal ski carry and A-frame carry, stowable helmet flap
  • Ice-tool PickPockets™, tuck-away rope strap and quick-deploy piolet system is compatible with piolets, technical tools and mixed tools
  • AvaLung-Ready design accommodates AvaLung Element (sold separately)

Tech Specs

Volume :   45 L (2746 cu in)
Average Stock Weight :   1060 g (2 lb 5 oz)
Materials :   Dynex (210d + PE 200d)


  • Backcountry Magazine Gear Guide Select 2018
Cirque 45 Pack is rated 4.5 out of 5 by 13.
Rated 2 out of 5 by from almost there I liked the overall design of the bag however there are two major flaws. The first is that it does not have any load lifters on the shoulder straps. These may not be necessary for a smaller bag but for a bag of 45L I think they are a must. Due to the lack of load lifters it does not carry weight very well. My second critique is that the waist belt is too big, i.e. it can not be tightened enough. I really wanted to like this bag however these issues with how the bag carries weight make it a non starter. I'm sure these issues are not as glaring or important on the smaller sizes.
Date published: 2018-01-23
Rated 4 out of 5 by from Great ski pack overall Pros: Clean, minimal straps & buckles to get hung-up on stuff, or flapping in the breeze. Top loading closure system is well designed and easy to use with gloves or mittens on. Internal shovel/avy tools compartment is very easy to work with, and well designed. (Internal sleeves too narrow for my G3 Saw, BD saw fits fine.) Pack carries & skis quite well. One of the lightest packs I own. Cons: Top overflap could be a bit bigger. Accessory top flap is almost useless, I ordered one and found it too light-duty, and when you cinch it down, it is too tight to get anything out of the zipper access. Waistbelt pouch needs some refinements: if you open it when waistbelt is not buckled, everything falls out. Also, the pouch needs a retainer clip inside to clip things like car keys into.
Date published: 2017-01-13
Rated 5 out of 5 by from Probably the best bag I've owned I've had this all winter and have used it multiple times per week since I bought it. It's probably the best bag I've ever had. Pros: Compresses well and carries great regardless of the load. Ice axe removal is great for the odd bit of sketchy skiing. Ski carry is clean and fast to use Pretty light but there's still no signs of scuffing or rips. Very durable. Side pocket is a godsend for taking photos. The compression strap locations do not interfere with zipper access. What a clever feature. Can't lose the helmet carrier because it's sewn in. Cons: The top strap could be longer for when you've got a full pack and want to carry your skis diagonally. Hip belt pocket should be bigger.
Date published: 2017-05-24
Rated 5 out of 5 by from Innovative and convenient opening and closure Bought this for a ski pack that would have good capacity for hut trips and SAR stuff, without the weight of an airbag system. After a couple outings it works great in that role. The diagonal ski carry is great, and unlike my agent pack doesn't pull the skis so forward that you have to have a helmet on. This also will make a great sport crag pack, and in fact I sold my old one already. Probably make a great ice pack as well. I really like the top opening.... very quick to get in and out of. Top zipper pocket is also well designed and is a great size.
Date published: 2017-02-03
Rated 5 out of 5 by from Great ski pack I bought the 45 liter pack to use as a daily touring pack with somewhat long approaches. Two trips out with it so far. Here's what I like about it. It feels lighter and rides smaller than my previous 38 liter pack. It also holds more stuff. I find myself using the side access zip frequently and it is easy to access and seems bomber. The top flap is kind of funky and the cord lock is kind of hard to operate with gloves and leaves a lot of spaghetti string to deal with. But the flap is secure, simple, and opens wide. I like the separate compartments. They are both roomy and have enough pockets to organize a day's worth of stuff. I look forward to trying the helmet hammock and I like it's location low on the outside of the pack. I had to fit my helmet in the lid of my previous pack and it was always a stuff job, got in the way of the other stuff in my pack and was an awkward ride. The belt pocket is large enough but tends to want to barf out your stuff if you are not careful although I do like how it stays close to your hip if not full and does not get in the way. I think that belt pockets are essential to keep enough snacks, skin wax, etc. to keep you moving so you don't have to drop your pack all the time. Overall this is a super pack and I highly recommend it.
Date published: 2016-12-26
Rated 4 out of 5 by from Great Pack. Used last season as a ski pack. I like the long and narrow fit down your back good support from firm padding. Three negatives is the small top flap which needs to be larger, enlarge or change the fabric of the belt pouch. Small stretch pouches don't work because they stretch when filled and when opened or not completely closed eject the contents. Make the avalanche pocket inside the pack smaller and the contents pocket close to your back large.
Date published: 2017-10-20
Rated 5 out of 5 by from Best ski touring pack I’ve used I bought this pack at the being of February and I’ve been really happy with it since day one. The S/M fits me perfectly which at 5’3” is hard to find. As it doesn’t have sinching straps on the shoulders I just tighten the upper side straps on the pack and that brings the weight in well. The design allows for rapid access into the main body of the pack even with gloves on. I like the idea of the side zipper but I haven’t had to use it yet as the top opens up so nicely. The helmet carrying system is very convenient and the shovel pocket fits a larger size shovel with no problem.
Date published: 2018-03-01
Rated 5 out of 5 by from Great touring pack I have been using the Cirque 45 for just over a month and although it is different from other packs I have used the more I use it the more I like it's simplicity. It opens and closes easily with gloves on, the strap across the top is great for quickly securing layers as they are shed. Skis carry well in the A frame position with the weight well balanced. I am having difficulty getting my snow tool compartment packing dialled for quick deployment. The main problem here is getting the shovel out, more so if the pack is full. This is the only fault the I have with this pack. It
Date published: 2018-01-17
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