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ECWS Modular Sleep System -30 Degrees U.S. Surplus Bivy Patrol Bag Intermediate Bag Compression Sack
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Brand: Military ZWB144
Item: ZWB-144

Original US ECWS modular sleep system, this truly is the warmest sleeping bag, down to -30 degrees, when all pieces are used together. Sleep system includes a camo waterproof/breathable bivy, black patrol sleeping bag, and an olive intermediate sleeping bag that all packs in the compression sack. Each piece can be used individually or together to create the desired level of warmth. 84x32" tapered with boxed foot that will accommodate boots! The only sleep system you need to own, it is three bags in one, no more need for multiple temperature rated bags that take up storage space, used in good condition. Total weight, 10 pounds, all layers combined. Grade II.

All Military surplus products are used, the condition of the products varies, and the quantities may be limited.
Surplus condition scale:
Grade I – Used in like new to excellent condition.
Grade II – Used in good condition, may show minor use.
Grade III – Used in fair condition, will show normal wear and tear from daily use.

Click here to learn more about the ECWS modular sleep system.


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Customer Reviews

Most Helpful Customer Reviews

6 of 6 people found the following review helpful
4.0 Rating Dang Good Stuff - 10/20/2008
Reviewer: Sgt Marine
I used this bag many years when i was on active duty. It works great, but you must remember to sleep with as little clothing as possible. Put your clothes the bottom or use as a pillow. If you don't do this you will freeze. It uses radiating body heat to keep you warm.
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3 of 3 people found the following review helpful
5.0 Rating Just Tried In -10 Weather - 12/11/2013
Reviewer: Steve CO
Just got in 2 bags one for myself and wife. We had a very cold spell here and I tried the bag out in -10 degree overnight weather, outside, under tarp and was not cold at all. Bags looked like new to me, great condition and they actually worked! Great bag for cold weather or any weather. Thank you for offering this product.
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2 of 2 people found the following review helpful
5.0 Rating A+++ - 2/23/2011
Reviewer: Tommy M
Bought one a while ago... Liked it so much bought 3 more for my boys!!! Use camping & hiking & never get cold. Can sleep in between layers if it is not that cold out. Highly recommended !!!
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2 of 2 people found the following review helpful
4.0 Rating Nice product - 2/20/2014
Reviewer: Mike
As a veteran I used this bag many times. I was very impressed when we went from the old style sleeping system to the ECWS. The condition of my Bag was very good. Some ware but all serviceable. You will have to run it through the wash ,gentle cycle on low heat for drying, but I expected this. I will be ordering more of these soon.
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1 of 1 people found the following review helpful
3.0 Rating its alright - 5/14/2008
Reviewer: Lcpl Krueger
this set is pretty good, but its definitely not the warmest stuff ever. even while using the whole system in korea i still couldn't sleep because i felt like i was freezing. the best part of this system is the camo outer gor-tex "bivy bag" that thing is money and will keep you dry in the rain for sure.
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ECWS Modular Sleep System -30 Degrees U.S. Surplus Bivy Patrol Bag Intermediate Bag Compression Sack
ECWS Modular Sleep System -30 Degrees U.S. Surplus Bivy Patrol Bag Intermediate Bag Compression Sack
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