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Western Mountaineering Summerlite Sleeping Bag

0°C Comfort Limit, 255g of 850+ Fill Power Down (US Method)
Weighs 525g (Regular size)
Code: 1392
  • Now From £349.99
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  • RRP £374.99
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  • Save: £25.00 (7%)
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At just 1 lb 3 oz. the SummerLite is the lightest bag we make in a continuous baffle construction. Our goal in designing this bag was to make it as light as possible without eliminating key features or function. The result is a fully-baffled bag that weighs only 19 ounces and features a full-length zipper with insulated draft protection! The SummerLite is a dream come true for lightweight backpacking fanatics. 

- Continuous Baffle
- Insulated draft Tube
- Extremelite Shell
- Highest Quality 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!

One of our customers used this bag on his Lands End to John O'Groats walk, he had this to say:

"The Western Moutaineering sleeping bag was both light weight and warm enough for a Scottish summer. On the first two nights I camped in Cornwall the temperature dropped to around 3 degrees and I did need to don a sweater but that is par for the rating of the bag." Courtesy Trevor James.

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 Construction
  • Insulated draft Tube
  • Extremelite Shell
  • Full Length Baffled YKK Zipper
  • Highest Quality minimum 850+ fillpower down
  • Short bag weighs 524g
  • Regular bag weighs 562g
  • Long bag weighs 608g


Inside Girth
shdr/hip /foot
Fill Wt.Total Wt.Stuff size 
Sac Size
Mummy  165 / 5' 6" 0°C9.5152/130/97255 g490 g15 x 25XXS
180 / 6' 0°C 9.5152/130/97275 g525 g15 x 30XS
200 / 6' 6" 0°C 9.5152/130/97295 g560 g15 x 30XS
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