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Marmot CWM EQ Sleeping Bag: -40 Degree Down

Item #MAR1129 | 0 in Stock

I was thinking about trying to climb Mt. McKinley next summer...

By Ranked #354 - 0 to -40 Degree Down Bags August 13, 2010

I was thinking about trying to climb Mt. McKinley next summer and if not, at least do some back country camping up in Denali. Is this too much? Should I shoot for a -15 or -20 bag instead?

Helpful Votes: 0 Yes

By Ranked #168 - 0 to -40 Degree Down Bags August 14, 2010

I used a Feathered Friends -40 bag at Denali basecamp for a 12-day mountaineering course. We never slept above 7300'--and the -40 bag wasn't too much; it was perfect. I was even cold one -35 night, though it was more due to my sleep mat that had a slow leak that deflated over the course of the night. (Thank God for my Z-rest backup pad underneath!!!) Anyways, -25 (or similar) is generally the most common temp rating sought out for Denali. You would be fine with this bag, though. Just be careful not to sweat in it so you don't damage the down. Unzipping the bag or keeping your head uncovered (and without a hat) is a great way to use this warm a bag in temps above -40.

Helpful Votes: 0 Yes

Tech Specs:

Material:
[Shell] Aerolight MemBrain; [lining] Omni 
Insulation:
800+ Fill goose down 
Shape:
Mummy 
Draft Collar:
Insulated draft tube 
Max User Height:
[Reg] 6ft; [lng] 6ft 6in 
Shoulder/ Hip/Foot Circumference:
[Reg] 64/60/42in; [lng] 66/62/4in 
Stuff Size:
Not specified 
Stuff or Storage sack:
Both 
Weight:
[Reg] 4lb 10oz (2101g) 
Degree:
-40F (-40C) 
Recommended Use:
Ultra-cold winter camping and mountaineering 
Manufacturer Warranty:
Lifetime 
Recommended Use:
Ultra-cold winter camping and mountaineering 
Country of Origin:
China 
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