My sock adds about 7°C.
My sock adds about 7°C.
I really like using a top cover, keeping my face warm makes all the difference.
Using the new wide fabric for a tarp might be beneficial in allowing the condensation to freeze before it contacts the tarp, because the tarp can be pitched higher. Even if it’s not freezing it should allow more airflow.
Not ALL have vents. The Warbonnet sock isn’t vented, though you can easily vent it if you so desire by unzipping a portion of the arc’d opening that spans one side of the sock. I really like using the Warbonnet sock when it is really cold because it is awesome at blocking the wind. I like the large, two way zipped arched opening, too. The only thing I’d change about it is to have zippered openings on both sides instead of just one.
I’ve never had trouble with condensation with it, but, in fairness, I rarely have trouble with condensation whatever set up I use. I also usually sleep with the opening partially unzipped just out of personal preference.
Seems to me that while the sock might add a few degrees (just a few), the real benefit is allowing the insulation to not be robbed of efficiency - in terms of achieving its rating - by wind, including even small breezes which can make a big difference when trying to use close to rated temp. Of course, moderate winds rob a lot at any temps, and strong winds are almost impossible to manage.
So, in other words, if you've been cold using your 20 degree quilts in the 30s, there's a good chance you can use them more effectively into the 20s with a sock. Potentially, that's 10+ degrees. The bump applies more practically speaking than it does in terms of temp rating - it doesn't make your 20 degree quilts go lower as much as allowing you to use them more effectively. If you've been practicing good site selection, I doubt the sock gives you a whole lot more, and potentially becomes a condensation hazard, even with a breathable sock. Takes a little wind for it to breathe.
I don't really know, though. Just got a sock with the WB sale and looking forward to testing. I seem to be less careful on site selection as I get older.
"I wonder if anyone else has an ear so tuned and sharpened as I have, to detect the music, not of the spheres, but of earth, subtleties of major and minor chord that the wind strikes upon the tree branches. Have you ever heard the earth breathe... ?"
- Kate Chopin
I simply had one min/max thermometer outside of the sock, and one inside (on the ridgeline). The next morning I checked the lowest temperatures. If I remember correctly I did this three nights, and the difference was always about 7°C. I hung indoors, though. So no wind, no humidity or other factors. I don't use heating, and this time of the year the temperature indoors is about 10°C (50°F). Low enough for me to use either a sock or a top cover. The sock seems to be noticeably warmer, since it has no vents.
Is this Winter Sock you menation the same as the Snugpak Hammock Cocoon
showen here https://www.militarykit.com/products...saAhF2EALw_wcB
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