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Built for ski mountaineers and ice climbers, Osprey’s Variant 37 is ideal for mountain travelers who need a durable pack to transport skis and ice tools with security and comfort.

The removable hipbelt has built-in gear loops and is contoured to facilitate movement and fit easily around a climbing harness. You can also remove the pack’s top lid and deploy the integrated FlapJacket™ closure system when it’s time to move light and fast.

Other mountain-specific features include redesigned ice tool attachments to keep your tools secure yet allow one-handed access via bungee tie offs and side release buckles. Dual side wand/ice pro pockets keep critical gear close for an extra margin of safety. A-frame ski carry loops transport skis in the classic fashion. Three bombproof attachment points give you peace of mind when hauling. All zipper-pulls and buckles are designed to be glove friendly. A rear shove-it pocket gives you a place to shove an extra layer whether you’re climbing the skin track in search of powder or hiking to the base of an unclimbed ice route.

Key Attributes

Key Mountaineering Features

Dual ice tool holster with bungee tool tie-offs and lower side release buckles allow one-handed access. Durable pick sleeves and adjustable axe head strap fit a wide range of tool shapes. Once attached, tools carry protected and secure. Dual front and single reinforced rear haul loops provide simple, secure hauling capabilities. Reinforced A-frame ski carry loops work in conjunction with compression/retention straps to provide stable ski carry.

Interchangeable Hipbelt

The Variant offers a climbing-focused interchangeable hipbelt with gear loops, ErgoPull™ closure and a narrow cut design to accommodate a climbing harness.


The top-lid with integrated FlapJacket™ system, framesheet and aluminum stay and hipbelt are all removable to optimize weight savings.

Additional Features

  • Glove Friendly Access - Glove friendly zipper pulls and buckles allow for quick and easy use in adverse conditions

Carry Information

Aluminum/HDPE Suspension

  • Removable 6mm aluminum frame and 1.5mm HDPE framesheet

Thermoformed Contoured Backpanel

  • Snow shedding material to reduce ice/snow buildup

Countered EVA Harness

  • Webbing attachment points and reservoir hose routing
  • Adjustable sternum strap with whistle

Removable/Interchangeable Hipbelt

  • Contoured for optimal fit and load transfer
  • Narrow cut to accommodate movement and climbing harness
  • Reverse wrap stowable ergoPull™ closure
  • Gear loop and attachment points


Load Range
35 - 40 lbs.
12 - 18 kg
  Volume Dimensions Weight
SM 2075 in3 / 34 l 28h x 12w x 11d in. 3.22 lbs.
MD 2258 in3 / 37 l 29h x 12w x 11d in. 3.37 lbs.
SM 2075 in3 / 34 l 70h x 30w x 27d cm 1.46 kg
MD 2258 in3 / 37 l 73h x 30w x 28d cm 1.53 kg
210D Nylon Shadow Box
210D High Tenacity Nylon
210D Nylon Shadow Box
Product Manual Additional languages available here �


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VARIANT 37 depicted in image
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Removable Top Lid

A removable dual compartment keeps needed items organized and accessible and can be removed to shave off weight

Integrated FlapJacket™

Integrated FlapJacket™ closure system can deploy to provide main compartment protection when top lid is not in use

Side Compression Straps

Quick release upper and threaded lower compression/retention straps provide load stability and external storage options

Side Wand/Ice Pro Pockets

Dual side pockets provide secure storage and easy accessibility to wands, pickets and other longer items. Utilize the side compression to secure load.

A-frame Ski Loops

Reinforced A-frame ski loops at the base of the back work in conjunction with side compression/retention straps provide stable, easy to use A-frame ski carry

Three Point Haul System

Dual front and single rear reinforced haul loops provide simple, secure three point hauling capabilities

Ice Tool Holsters

Dual reinforced ice-tool holsters work in conjunction with bungee tool tie-offs to provide secure and easily accessible ice tool carry

Front Panel Compression Pocket

A compressible, reinforced front panel pocket provides easy external storage and access to crampons and other needed items

Under-lid Rope Carry

An under-lid adjustable rope compression strap provides stable and easily accessible rope carry
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Great pack for alpine day climbs that crushes weight


I purchased up the Variant pack to replace a similar pack I had worn through from another company with the goal of getting something a little more compact for one day alpine climbs. In the year since, I've had a lot of trips with this pack and so far, it has absolutely crushed. Functionally, the pack is solid. The dual ice axe clips could use some extra strap to be more adjustable, the crampon pocket is hard to use when the pack is full but beyond that, it's well designed and well executed on. Having a few extra pockets in the lid is handy for storing maps, car keys and the likes while the hydration compartment is an unexpected win on an alpine pack for warmer trips. Most importantly, the suspension system is incredible at handling weight considering how small the volume is. I'm more comfortable with a 45lbs load in my 37L Variant than my 75L mountaineering pack from another company (though they both weigh about the same empty so you can see where the tradeoff is and 50lbs in the Variant is never going to happen.) For a more typical 35 lb load (I tend to lug around a big camera, a large med kit, and a lot of water), the pack is super comfortable. The biggest drawback and why I gave it a 4 rather than 5 is the lack of waterproofing and related exterior durability. Given the intended use, wet, cold and abrasive environments are to be expected and yet it's pretty much summer materials that soak through rather quickly. That's unfortunately pretty common in most alpine packs out there but it seems like an easy one for Osprey to improve and really pull ahead on. That said, I'm looking at getting the larger size for overnight trips as well so you can tell how much I like the thing.

Portland, Oregon



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