Western Mountaineering Apache MF Sleeping Bag

-9°C Comfort Limit, 540g of 850+ Fill Power Down (US Method)
Weighs 905g (Regular bag)
Code: OC1394V
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The Apache is built with attitude! It simply won`t take no for an answer as it willingly pushes the bounds of a 2-3 season bag. These bags have a full 3-Dimensionally sewn down-filled collar to seal in heat when your trip turns a little bitter!

The efficient cut lets you heat the bag quickly and gives you a lighter parcel to carry about. 538g of high lofting down pumps up a durable 6" of loft.

The MicroLite XP shell is very weather resistant while remaining extremely breathable. At a total weight of 935g you`ll be amazed just how much cold these bags will tame.

C. Continuous Baffle
Full down Collar
Microlite XP Shell
Highest Quality minimum 850+ Fill Down

Western Mountaineering down gear has an awesome reputation in the US and that reputation is beginning to build on this side of the pond. Very high quality materials design and construction results in the lightest bags available for a given warmth.

An example of their attention to detail is their quoted 850+ fill power down used in all their bags: WM quote this figure even though their down generally gets higher ratings in official tests this is because they feel that the official pre-testing preparation enhances the down quality!

Read reviews here:            
Help and advice: Choosing a sleeping bag advice EN 13537 rating for sleeping bags explained All about down filling in sleeping bags
Sleeping bag shape and sizes advice Sleeping Bag features Page 1 Sleepin bag features page 2
  • Continuous Baffle Construction
  • Full Down Collar
  • Full Length Baffled YKK Zipper
  • Microlite XP Shell
  • Shape: Mummy (w/ full collar)
  • Rating: -9°C / 15° F *
  • Loft: 15cm / 6"
  • Highest Quality minimum 850+ fill power down


  • Length: 165cm / 5'6"
  • Weight: 850g
  • Fill weight: 480g
  • Packed size: 38 x 20cm
  • Internal shoulder girth: 150m / 59"
  • Internal hip girth: 130cm / 51"
  • Internal foot girth: 97cm / 38"


  • Length: 180cm / 6"
  • Weight: 905g
  • Fill weight: 540g
  • Packed size: 38 x 20cm
  • Internal shoulder girth: 150m / 59"
  • Internal hip girth: 130cm / 51"
  • Internal foot girth: 97cm / 38"


  • Length: 200cm / 6'6"
  • Weight: 965g
  • Fill weight: 595g
  • Packed size: 38 x 20cm
  • Internal shoulder girth: 152m / 60"
  • Internal hip girth: 130cm / 51"
  • Internal foot girth: 97cm / 38"

* Western Mountaineering state: 'We independently verify own temperature ratings through our own testing, customer feedback and design knowledge. Most of the items in our catalog we have been making for years, which means we have lots of prior knowledge from everyday consumers on what ratings are accurate. We have also EN tested our bags. In every case the EN rating is lower than our posted rating. This means our ratings are more conservative. We do this to ensure that almost everyone will be happy in our bags at the temperature we publish.'

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