by Diane Spicer
Several kinds of backpackers might want to take a hard look at this sleeping bag liner review:
Of course, any hiker who is curious about what it's like to use a sleeping bag liner inside of a bag is also invited to come along as I offer my experience with a liner.
It's exactly what the name implies: A piece of fabric that slips into your sleeping bag. Removable, washable, soft and warm.
A good idea if you can spare the extra weight on a backpacking trip, right?
If you've never seen one, read this first.
I've used several types of liners, and want to share my experiences with one particular brand.
As you read through my review, note what I pay attention to.
In this sleeping bag liner review, I focused on three variables when I went looking for the best sleeping bag liner for my needs:
I purchased the Sea to Summit Thermolite Reactor Extreme Mummy Bag Liner when I was putting together my gear list for a hiking trip to Greenland.
There were 3 considerations uppermost in my mind as I did my comparison shopping and cost analysis:
a) COMFORT: staying warm in a less than warm climate;
b) VERSATILITY: being able to use the sleeping bag liner once I got back to more temperate hiking conditions at home;
c) PRICE: not paying too much, but paying enough for high quality that lasts for a long time.
One other thing you should know: I paid for this liner with my own money, and have no financial ties to this brand.
Let's start off with the reasons why I recommend this liner, the Sea to Summit Thermolite Reactor, as a piece of best hiking gear in your gear locker.
There are 6 good reasons I carry this liner on my trips.
Full disclosure: This is an affiliate link, meaning that I will get a very small commission but it will cost you nothing to purchase through the link. Thanks for supporting Hiking For Her with your gear purchase!
The Thermolite Reactor kept me warm throughout the rainy cold weather I encountered in Greenland.
By that, I mean that sometimes I only needed the liner to drive away the damp chill, and other times I relished the extra 4 or 5 degrees of heat in the middle of my sleeping bag at midnight.
Versatile warmth, in other words.
There were many days in a row where my only choices for personal hygiene were to plunge into the ice cold ocean, or suck it up and hope for warmer weather the next day.
Knowing my sweaty torso and dirty legs were not going to leave me with a stinky, dirty sleeping bag allowed me to fall asleep faster inside my sleeping bag liner.
And knowing that I could toss it into the washing machine when I got home made it easy to snuggle up, regardless of my dirty hair.
When I got home from the trip, I washed the liner but not the bag. Lest you think I'm a complete degenerate, I did air out the sleeping bag for several days, turned inside out.
The liner is machine washable and came out of the dyer smelling great, all of its softness intact.
It had a tiny footprint in my backpack in its 3 x 5 inch stuff sack, yet unfurled to 84 x 36 inches of warmth and comfort.
It fit into my woman's tapered mummy sleeping bag with a bit of wiggling around (84 is a lot of inches when you're only 63 inches tall).
There's a drawcord that allowed me to keep my head and neck warm.
I always wake up when my head gets cold. Wearing a fleece beanie helps, but sometimes it falls off.
Inside this liner, I was able to squinch down inside my bag, pull the liner string, and prevent myself from waking up.
Who wouldn't want a thermo-reactor to cuddle up with??
What would life be without the dark side?
Don't answer that! Just keep reading.
Here are the things I dislike about this particular sleeping bag liner.
It is heavy, weighing 14 ounces. That's a lot of weight if you're planning a minimalist backpacking trip.
But it made sense for my trip, where warmth was more important than weight (we had boat support when we moved from one big location to another, so I put up with the extra 14 ounces over the short haul).
If you're looking for something lighter, try the "less extreme" version (and save a few bucks, too).
If you are concerned about "sidedness", be aware that this liner's draw cord is in the middle rather than on one side.
Another issue I must mention in this sleeping bag liner review: ease of use.
This liner needs to be stuffed into your bag before you're in it, and then you'll have to zip up your bag once you're inside it.
This might present a challenge in a tiny tent in gale force winds (says the gentle voice of experience).
One solution to this daily ritual, if you have the luxury of space, is to stuff your sleeping bag containing the liner into your stuff sack each morning.
My stuff sack was not capacious enough to allow me to do this, but maybe yours is.
Price: always a consideration, right?
At the time of this review, the cost was around $69 US.
So I paid a lot for this liner, but I knew that I needed it to ensure my sleeping comfort.
Bonus: I carry it with me on day hikes year round as a "just in case" backup.
You never know when hypothermia is going to raise its ugly head due to weather or injury, so I'm prepared.
Double bonus: Sometimes I only pack the liner on a backpacking trip, when
Let's go for the gold here: Triple Bonus!
One more thing: I wish they made a woman's version of this liner.
A smaller footprint would be more compatible with my sleeping bag and my small stature.
However, when I loan it to taller folks, it's good to have that extra fabric.
I've attempted to be fair and balanced in this sleeping bag liner review, because it's not a trivial piece of gear to purchase.
And I don't recommend a liner to every backpacker.
Weigh comfort against price, and think about how this liner might make your life on the trail easier.
For the price, you can't go wrong for that little extra bit of assurance that you'll sleep warm!
And if you use this piece of gear infrequently, it will last a long, long time.
Good luck deciding whether or not you need a sleeping bag liner! I hope my opinion was useful.
Sleeping Bag Liner Review
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