| Western Mountaineering AlpinLite Wide Sleeping Bag |
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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.
Our Verdict
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! A full explanation of this is in the Materials section below.
For a full presentation of why you should consider Western Mountaineering to be a premium brand click the links below - the Design Features presentation is a master class in sleeping bag design:
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| Design Features |
Materials |
Guarantee |
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.
Features
Specification
UOG WEIGHTS:
The weights of down sleeping bags can vary because of the way they are filled - as a guide we've weighed some bags of each model.
- Short bag weighs 870g
- Regular bag weighs 922g
- Long bag weighs 1110g
| Shape |
Size
(cm) |
Rating |
Loft
(cm) |
Inside Girth
shdr/hip /foot (cm) |
Fill Wt. |
Total Wt. |
Stuff size
(cm) |
Sac Size |
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Mummy
(box stitched)
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165 / 5' 6" |
-7°C |
12.5 |
160/142/99 |
480 g |
878 g |
18 x 33 |
XS |
| 180 / 6' |
-7°C |
12.5 |
163/140/99 |
535 g |
880 g |
20 x 38 |
S |
| 200 / 6' 6" |
-7°C |
12.5 |
165/142/99 |
595 g |
935 g |
20 x 38 |
S |
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