My USGI MSS just got here today. I will be testing it out today all by itself in the backyard I will be using the Gortex Bivy and Patrol bag only the low tonight is 41 with a slight breeze. Here are the specs for those wondering.
Genuine US military issue Modular Sleep System (MSS).
Genuine US Army and Marine Corps standard issue MSS consists of four components for sleeping in up to -30 F temperatures:
Goretex BIVY outer cover bag 60 F (1.5 lbs)
Patrol Sleeping Bag 30 to 50 F (3 lbs)
Intermediate Cold Weather Sleeping Bbag 30 to -10 F (4 lbs)
Compression Stuff Sack
Modular layering design.
Completely integrated system rated to -30 F when the user wears the expedition weight polypropylene shirt, drawers and issue cushion sole woolen socks. To obtain lower ratings, additional layers of Extreme Cold Weather Clothing articles are required.
Warmest system rated to 60 F with Goretex bivy cover as main bag and other bags as cushioning.
To obtain lower temperature ratings, additional layers of Extreme Cold Weather Clothing articles must be added to the user's clothing ensemble inside the sleeping bag.
Four component weight: 8.5 lbs (Not concerned at all about weight )
I will check in tomorrow I might make a video not sure.
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