I've seen several people on here ask about using the MSS as a top quilt and thought I would take a few pictures and briefly describe why this is absolutely an option for people on a budget. I don't intend on this being an in depth review but only a brief overview and an informative thread for new hangers that are looking for an economical option for a top quilt to start hanging in cold weather.
Since I joined the community and started watching Shugs videos, a theme I've notice his how he emphasized HYOH. He never demonstrated a piece of gear that he talked about as a "must have" other than a hammock. He has stressed that the most important thing is that you just get out and start hanging and even then you might realize it's just not for you. With that said I don't like to see people missing out on opportunities to hang because they feel like they don't have the right gear for the job.
The MSS is the standard issued sleeping system for the U.S. Army. It is a three piece system that gives you flexibility between weight and space savings and comfort rating. The lighter weight "Patrol" bag is rated down to 32 degrees Fahrenheit and the heavier "Intermediate Cold" bag is rated down to 0 degrees. You can adjoin the two bags for a comfort rating of minus 30.
I've been using this system for 10 years and can report that for me it's accurate to about 50%-75% of the manufacturers specs. I don't use my patrol bag any lower than 45 degrees and I use just my intermediate cold weather bag down to 20 degrees. Anything colder and I'm combining them together. I can't imagine using them comfortably in any temperatures below 0 degrees. I am a cold sleeper so I'm sure some of you warmer sleepers could push these temperatures lower. The Goretex bivy bag is the third piece and it does a pretty good job at blocking wind.
So what make this different from other sleeping bags? The MSS has a heavy duty zipper that runs approximately two thirds of the way to the bottom of the bag. When it's fully unzipped it creates a footbox that is similar to a top quilt. So the user needs to only unzip it and flip it over and they will have a top quilt. It is 72" long and 52" wide. It uses Climashield insulation and this system can be found easily on eBay or a local military surplus store. Because of its availability you can get the system for about $50.
So what's the cons? It's obviously bulky and it is also very heavy when compared to a top quilt. I wish I had a scale so I could get all my spec nerds out there some data but I unfortunately don't have one. With that said, If space and weight savings is important to you than this may not be for you. However, if you're a back yard or car camper, this could get you out hanging in cold temperatures without breaking the bank.
Both bags side by side. Patrol bag on left and intermediate cold weather bag on the right.
Both patrol and intermediate bags combined (top)
Both patrol and intermediate bags combined (bottom)
Both bags combined and compressed
Both bags combined and compressed (top view)
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