Pack small, travel fast.

The Alps Mountaineering Compression Sack not only shrinks bulky items like sleeping bags or puffy jackets, but it also features a zippered pocket in the lid to keep smaller items from getting lost in the depths of your pack.

  • Four compression straps
  • Top lid with zippered pocket
  • Bottom handle
  • Double stitched seams

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ALPS Mountaineering Compression Sack

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Here's what others have to say...

What would be a good size for a standard sleeping bag?

Responded on

For most synthetic mummy bags I would go with a medium. For a synthetic semi-rectangular bag I would go with a large. For a down mummy I would go with a small. For a down semi-rectangular I would go with a medium. Lots of differences between bags though. Give me a shout and we can discuss further.

Eric Watford
Expert Gearhead
Ext. 6069
Instagram: @ericwatford

I'm trying to compare this to other...

I'm trying to compare this to other compression sacks, which have size listed by volume. Do you happen to have a liter size on these? (I think I may need to look at a size large).

Best Answer Responded on

Hey PS,

Rough math based on dimensions lists these as follows:

S = 10L
M = 20L
L = 35L
XL = 45L

What size would best fit a Kelty Cosmic 0...

What size would best fit a Kelty Cosmic 0 sleeping bag? I am getting ready to order the bag but it doesn't come with a compression sack(So I have read in the reviews.)

Responded on

Hey wil1412600556,

I would suggest you get this compression sack in a size large so you can compress the Kelty Cosmic 0 bag down. I hope this helps.

5 5

Fantastic sack!

  • Familiarity: I've put it through the wringer

What can you say. Its lightweight, durable, soundly constructed and works as advertised with no disappointments.