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Zerogram Tuolumne SUL Sleeping Bag

Zerogram Tuolumne SUL Sleeping Bag

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Product Description
Great for ultralight outings where every ounce counts, the Zerogram Tuolumne SUL sleeping bag helps you save space and weight without skimping on warmth. Made of soft Pertex Quantum GL 7d fabric, the bag is stuffed with lofty 850-fill-power Polish white goose down that’s rated to keep you warm below 20 degrees Fahrenheit Read More

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Seanneves
94
Apr 21, 2019
Massdrop needs to start QC of their technical stats. This is not the first time the laws of thermodynamics have been violated in a description.
(Edited)
SugarRay
54
Apr 20, 2019
How is this rated to the temps listed? I just compared this to a zpacks bag and it has nearly half the fill of lower quality fill at the same temp rating? Also it seems to be longer than the extra long zpack options with zerogram stating a 190cm length? Maybe we can have some better specifications?
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vladdtoo
0
Apr 20, 2019
My EE 30* quilt has 10.67 ounces of 950 fill.
SunCityJon
194
Apr 19, 2019
Massdrop should pull this item. There is no way 8pz of fill will be good to 20degrees. Not a chance.
SunCityJon
194
Apr 23, 2019
It’s still not gonna be comfortable at 30degrees.
A community member
Apr 24, 2019
SunCityJonYes I agree it seems like a crappy prospect - perhaps worth buying if you want to boost it with a down jacket but then there are cheaper bags with the same warmth....
Moostyle
Apr 19, 2019
rivrwind
25
Apr 19, 2019
Moostyle"The smell of chicken, which was my only weakness, was resolved by washing. " Google Translate is pure poetry
odyoda
13
Apr 19, 2019
Moostyle"it was too hot to sleep unless I became underwear" CLASSIC
P_J_N
45
Apr 19, 2019
There is no way this is actually EN tested. Those values are way too optimistic.
Cardamomtea
588
Apr 21, 2019
P_J_NAlso EN ratings are for sleeping bags, not quilts. So they'd need to supply some sort of hood for the test and mention that in the description here (Enlightened Equipment did that once for one of their quilts). I think you're right, I'm calling foul!
dday1937
21
Apr 19, 2019
Sleeping bag temp ratings (in marketing material like here) is an area that should be scrutinized way more as it could potentially be life threatening if incorrect. I wish someone from mass drop would chime in.
hyphstar
41
Apr 19, 2019
This bag is way too light to be rated to 20 degrees. I’d be careful about this one.
rockyroad
12
Apr 19, 2019
8 oz. of 850 fill and you say it's good to 20F? I'm skeptical. I have 13 oz. of 950 fill in my 20F rated bag.
Shawnd
1
Apr 19, 2019
I have been kinda waiting for a Zpack bag to come up but this one is intriguing. There are a grand total of zero English reviews I can find though. Would definitely be taking a bit of a flyer on this one.
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