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Sea to Summit Reactor Extreme Liner

Item No. 10099067

The Sea to Summit Reactor Extreme Thermolite Liner. Increases sleeping bag performance by up to 25° F (15° C) with super-insulating 110g/m2 Thermolite fabric. Spacious design allows for a comfortable night's sleep, even when the mercury plummets.

DECENT FEATURES of the Sea to Summit Reactor Extreme Liner

Mummy shape with a box foot
Draw cord hood with mini cord lock
Packs into its own Ultra-Sil stuff sack

The SPECS

Extra Warmth: Up to 25° F / 14° C
Weight: 14 oz / 399 g
Length: 7' / 210 cm

This product can only be shipped within the United States. Please don't hate us.

Custy Reviews

for the Sea to Summit Reactor Extreme Liner

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(based on 7 reviews)

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"Flat out helps increase warmth for any bag" 01/13/13

This is exactly what I wanted. Keeps my bag clean and adds warmth to my bags. Maybe not the full 25 degrees, but I sleep cold so hard to say. I am a big guy and their is tons of room.

by brian from covington

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"Sheet Liner and Sleeping Bag-in-1" 04/20/12

I keep this liner with me whenever I travel. It acts as a buffer between me and the hostel bunk with the added bonus of actually being pretty warm on it's own. I've been out hiking a couple of times in the warmer months and it was all I really needed for a sleeping bag; kept me plenty warm. I haven't had the opportunity to use it in full on cold weather with a heavier bag.I would heartily recommend this to anyone doing a single bag trip; it's kept me warm on frigid airplanes, given me something to sleep in on long layovers and does a great job for warm weather camping.

by Randol from Lexington

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"It works for its purpose but not as a seperate stand alone bag" 10/18/11

This adds some warmth to a bag and keeps my bag clean. However it provides absolutely no warmth on its own so don't buy it as a summer bag or expect to use it alone. Granted they don't market it for that ,but lots of people seem to think it will work for that and it doesn't. Also it is super long I would have never guessed. I am 6' and I can close it around the top of my head and have a foot or so to spare!

by Daniel

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"Great warm weather bag." 12/27/10

I swapped out my heavier and bulkier sleeping bag and just took this on my last trip. Did the job well, comfortable and very eary to wash. Fits nicely in the provided stuff sack also. Would recommend for you warmer weather camping trips!

by Scott

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"Does what it says what it will do" 11/15/10

Packs down to a super small size, also. Used on a 35 degree night in the Uwharrie National Forest this weekend with a Slumberjack Odysee bag. First, the liner adds tremendous comfort to any bag - it's soft and stretchy and conforms to you (I'm 5'10" 250 pounds and like to move around at night when I sleep). I wasn't sure the Slumberjack would hold up to their claim that night and brought this. I'm sure it added 15-20 easily. Worth the cost.

by Michael

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"I'm pretty sure Sea to Summit made these with some sort of eldritch magic...." 09/20/10

When I first got my liner, I thought for sure it would not last very long or be very warm. I was wrong on both counts. It's very very comfortable and adds a ton of warmth to any bag. It also works well on its own as a warm weather bag and it packs down to a super tiny size. It's also very stretchy.

by David

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"Great liner" 05/24/10

This liners says it will add 25f not the 15 in the description. I love this liner. I am 6' 165 lbs. slender build and i get cold easy. This liner is thin but really warm. I don't think it will add 25 but I'm sure it adds at least 15 to 20. I used this liner with a Mountain Hardwear lamina 20 deg long. It was in the high 30s and I was so hot I had to remove layers and open the bag in the middle of the night. Without the liner the previous night I wore socks and sweats all night and was a little cold. A must have for colder sleepers.

by elise from Northern California

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So sorry, but this item is sold out

You probably would have looked amazing with it too.

We do have availability on some similar items available right now though. Check out More Sea-to-Summit Sleeping-Bags

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Sea to Summit Reactor Extreme Liner

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