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Western Mountaineering Puma GWS Sleeping Bag

-32°C Comfort Limit, 1050g of 850+ Fill Power Down (US Method)
Weighs 1670g (Regular size)
Code: 2629
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  • RRP £839.99
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To some people winter mountaineering is just a pastime. Be it searching for an uncut bowl to tele a frozen waterfall to climb or a simple visit to the Brooks Range the Puma Gore Windstopper™ has been there done that! This sizable bag is lofted with down and roomy to boot! 37 ounces of 850+ fill power down lofts this bag to a full 9` for a rating of minus 32 below! A shoulder girth of 64` provides room to layer store clothing or fit to big folk.  

The inside foot section is sewn with a 2.4 oz. fabric to protect the bag while stowing gear. And the Reverse Differential Hood is roomy down filled and warm and totally made with Gore Windstopper.  

The full down filled collar and both Interlocking Draft Tubes are also completely made with Gore Windstopper™ fabric. No place to cut costs! Few continents require anything warmer than our Puma Gore Windstopper!

V Side-Block Baffle
Interlocking draft tubes, Full down Collar
Gore Windstopper 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 Puma GWS sleeping bags have a Gore Windstopper shell because this makes them more water resistant and so you are less likely to get the down inside the sleeping bag wet - which would be a disaster. Our advice is that if you are using a two skin tent then you should not need the extra protection of a water resistant fabric - however if you are using a bivy or tarp or if you are going to extremely wet conditions we would recommend you take a water resistant bag such as this.

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
  • Interlocking Gore Windstopper draft tubes
  • V-Block Side Baffle
  • Full Down Collar
  • Gore Windstopper Shell
  • Highest Quality minimum 850+ fillpower down
  • Regular bag weighs 1670g
Inside Girth
shdr/hip /foot
Fill Wt.Total Wt.Stuff size 
Sac Size
(w/ full collar)
165 / 5'6"-32°C23160/137/99965 g1580 g23 x 46L
180 / 6'-32°C23163/140/991050 g1670 g25 x 50XL
200 / 6'6"-32°C23170/147/1041125 g1750 g25 x 50XL
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