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Western Mountaineering Alpinlite Wide Sleeping Bag

-7°C Comfort Limit, 535g of 850+ Fill Power Down (US Method)
Weighs 922g (Regular size)
Code: 2625
  • Now From £459.99
  • (FREE UK & EU Delivery)
  • RRP £499.99
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  • Save: £40.00 (8%)
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This bag is wide warm and packed with features. With a 3-dimensional full down collar a full-length YKK zipper and 5` of loft the Alpinlite has quickly become one of our most popular models. Our award winning Ultralite has been a favorite among lightweight backpackers for more than a decade. The Alpinlite is just a wide version of that great bag. There are many 20° down mummy bags on the market but none have the width warmth or loft of this bag.

C. Continuous Baffle
Full down Collar
Extremelite 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!

The Alpinlite would be a good choice if you find standard mummy bags to be too restricting around the shoulders and foot. The continuous baffle means that down can be shifted from the bottom of the bag (where it can get crushed) to the top of the bag for maximum loft. The shifting process is performed by `flicking` the bag in the appropriate direction

Help and advice:Choosing a sleeping bag adviceEN 13537 rating for sleeping bags explainedAll about down filling in sleeping bags
Sleeping bag shape and sizes adviceSleeping Bag features Page 1Sleepin bag features page 2
  • Continuous Baffle
  • Full Down Collar
  • Extremelite Shell
  • Highest Quality minimum 850+ fillpower down
  • Short bag weighs 870g
  • Regular bag weighs 922g
  • Long bag weighs 1110g
Inside Girth
shdr/hip /foot
Fill Wt.Total Wt.Stuff size 
Sac Size


(box stitched) 

165 / 5' 6"-7°C12.5160/142/99480 g878 g18 x 33XS
180 / 6'-7°C12.5163/140/99535 g880 g20 x 38S
200 / 6' 6"-7°C12.5165/142/99595 g935 g20 x 38S
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