Sea to Summit Reactor Plus Compact Liner
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Sea to Summit Reactor Plus Compact Liner

Sea to Summit Reactor Plus Compact Liner is rated 4.3 out of 5 by 12.
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4.2 Star Rating
$47.21   $62.95
25% off

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Product Description Item No.   10099068

The Sea to Summit Reactor Plus Thermolite Compact Liner. Increases sleeping bag performance by up to 20° F (11° C) with dual-weight Thermolite fabric. Our regular 80 g/m2 is combined with panels of 110g/m2 Thermolite in the core body and foot box areas adding extra warmth, while the ergonomic design shaves off excess weight. Ideal for gram counters under 6 feet tall.

FEATURES of the Sea to Summit Reactor Plus Compact Liner

  • Lighter weight, more packable than fleece
  • Mummy shape with a box foot
  • Draw cord hood with mini cord lock

- + Product Specifications
Dimensions: 72 x 36 in.
Length: 72 in.
Weight: 9.3 oz
Width: 36 in.
Product Technology: Sea to Summit THERMOLITE
Gender: Unisex
Best Use: Camping, Backpacking

THERMOLITE is a high loft synthetic insulation. It features hollow-core and solid core fibers, which combine to provide lightweight warmth that stands up to constant use. When placed inside the Air Sprung Cells of Sea to Summit sleeping pads, it prevents heat loss from your body to the ground.

Check Out All THERMOLITE Products >

Rated 4 out of 5 by from Pretty awesome liner, although might not add the full advertised increase in temp This is the second Reactor Plus liner I have owned. I have pretty poor circulation when sleeping, and even though I have a warm bag it wasn't enough in fall and winter conditions. I've used this liner in very cold mountain Montana conditions and I have to say it rocks and has kept me toasty! I'm not sure that it actually adds the full advertised increase in temp, maybe a few degrees less? I also love the double fabric at the feet and around the core, which are the areas I tend to have problems with. The weight is resonable for what you get. When traveling, I've used the liner in hostels just as a travel sheet. Sadly, thats where my first liner got lost.
Date published: 2010-11-14
Rated 2 out of 5 by from Not Worth it I was psyched to get this liner but as soon as I opened it, I was baffled at what I got for the price tag. The fabric was extremely light & practically transparent. I took it backpacking to add warmth to my 0 degree down bag, but it was almost impossible to get into it & it got all twisted & bunched up since the fabric was so light.Once I did get inside it did nothing to keep me warm & it was more frustrating than anything else. It just doesn't seem like it's made of a good fabric, definitely doesn't work when you're trying to sleep with a bunch of layers on already.I ended up switching bags with my boyfriend since I was so cold, & the liner ended up bunched up at his feet. Pretty pointless.
Date published: 2013-01-29
Rated 5 out of 5 by from Love this bag! While it has been fine for actual camping, adding warmth to my sleeping bag, this liner was recently a life saver for me. I was sick, but had to go into my office for a couple of days. I had an air bed & I brought in this liner bag and it was great! My office is chilly, and this kept me warm when I needed to stop and take a nap, was comfortable, and then was easily stuffed into a drawer when I was up and working again. I'm taking it on a camping trip next week, and feel very confident in that it will be a great liner when I'm in the mountains and a very good summer weight bag when it's hotter.
Date published: 2012-07-28
Rated 4 out of 5 by from Practical and compact It's hard telling how many degrees of warmth this bag liner can actually add. That being said, I pretty much always bring it, regardless if I think my 0 degree down can give me the warmth I want. That's because of a few things: It keeps my down clean. I can wash it easier since at the end of the day I typically smell like an old soup kitchen. It stops drafts better when I want to unzip the down bag and let out some heat. It takes away that cold clammy feeling of your bags face fabric. It's small and adorable like me. As far as warmth, hard telling. It's about as thick as bed sheet, and pretty compact when rolled up. Would be 5 stars if I actually felt like I was sleeping in a nuclear reactor.
Date published: 2016-02-24
Rated 5 out of 5 by from Sleeping in the cold doesn't have to be miserable! Instead of investing in a nice sleeping bag, I pair this with my Coleman bag. Even though the liner is very thin, it definitely adds 10+ degrees. ,,Also came in handy for when I borrowed a friends bag. No one wants to sleep in someones else's sweat and oil! I overlooked how much it helped until I forgot it on a trip with 40 degree nights. I will be double checking for this little guy on all future trips! When packed up, the stuff sack is small and is worth much more than an additional 263 g to your pack. ,,Only complaint is that it's difficult to get into. I typically hammock camp and have to get in the liner before I get into my hammock. ,,In summary, I swear by this liner and would buy it again.,,
Date published: 2015-06-02
Rated 5 out of 5 by from Does an excellent job of keeping me perfectly warm I got this product to boost my sleeping bag 20 degrees or so. It can also be used alone for hot weather camping (looking forward to it). But truth be told, I've been using it in bed so far. It's great! I usually overheat somewhere in the middle of the night where I peel back covers and annoy my mate with my radiance. Not any more! There's some kind of magic in this where, even with the same amount of covers, my heat is conducted and moved around. Just perfect. So I warn you, if you get this it might become your new blanky.
Date published: 2015-12-19
Rated 5 out of 5 by from Light and small but still warm enough. Seriously, everything is in the title : light and small enough to bring on every hike "just in case", but warm enough to be used on its own when the temperature is not too cold. I love the versatility this thing gives me : I use it in my sleeping bag when it is cold (protecting the sleeping bag from sweat at the same time) and if it is too hot to use both, I use it on its own. My only complaint is that it is a little bit short at only 6' long. I guess that's the price to pay to have something as light and small...
Date published: 2010-08-03
Rated 2 out of 5 by from Might be OK as a liner, don't even consider using it as a warm-weather bag I used this backpacking for 5 days on the Ka'u coast (south of Kilauea on the Big Island of Hawai'i.) ,,,,This was only warm enough when I wore a T inside it, and sometimes I needed long pants or a long-sleeved shirt as well. Daytime was sunny and hot nearly every day. Nights were down by the coast; there were steady sea winds with gusts, but I wasn't at any altitude or anything. ,,,,If this isn't warm enough to use as a bag for sleeping inside a tent on the beach in Hawaii, I can't imagine what weather it's warm enough for. I also found I tended to get tangled up in it, as some other reviewers said.,,,,On the plus side, it was incredibly light and super small; I wasn't wasting any pack space or weight by carrying it, but I won't try using it again except as a bag liner.
Date published: 2013-08-16
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