Resizing a Therm-a-rest Evolite Sleeping Pad

Greetings adventurers!

All credit to the photos and stats within this article goes to Derek Weeks – thanks to him for providing them to me and allowing me to republish them!

After publishing my article Resizing the Massdrop x Klymit Static V Ultralight Sleeping Pad I have had a number of people contact me asking about resizing such-and-such sleeping pad. I have been able to respond to all of them with details about the given pad, but then a request came in about details on the Therm-a-rest Evolite sleeping pad.

Some may remember I gave the Evolite my ‘2015 Gear of the Year‘ award for sleeping pads. While it may be on the almost-heavy side of sleeping pads these days, the pure luxurious comfort of the Evolite has made it a fairly popular sleeping pad for the given weight (slightly over 1 pound) category it exists within.

One of the comments within the article was from Derek Weeks, who asked:

Do you think that {resizing a} Therm-a-Rest EvoLite Sleeping Pad would work with the foam inside?

Amazingly, the Evolite is probably the only sleeping pad I have owned in the last five years that I have not resized.

Derek mentioned in a follow-up comment that he was going to give it a try and I asked if he would email me some photos of how it went.

Two days later he emails me the photos you see within this article!

As you can see, the process went very well.

My main concern was going to be what happened to the foam when it was cut.

I had this feeling that it was just going to fall apart into a bazillion little pieces.

That does not seem to be the case though – in the photo with the full cut you can see the foam has stayed very solid, and in the second photo, the close up, and you can see a tiny bit of foam debris.

He emailed me:

I cut the Evolite with some scissors I use on fabric and had no problems cutting it. When I made the second cut to remove the extra foam it cut came off in one big piece and there was a little bit of foam from me pulling it away from the pad, but not really any mess at all.

That is very good to know.

When it comes to specs and such of the resized pad:

He cut it (regular size) from the default 72 inches down to 53 inches.

By cutting off the 19 inches was brought the pad weight down an extra 105 grams (3.7 ounces) which is a tiny bit less than I was expecting, but hey, weight saved is weight saved, eh!

Reducing those extra 3.7 ounces of weight from the pad puts the total pad weight at 415 grams (14.6 ounces), making it a sub one pound OMG comfortable sleeping pad !!

I know most of you are going to be thinking NeoAir Xlite… so for reference, the regular size NeoAir Xlite is 350 grams (12 ounces).

I personally love the large size of the Evolite as having the extra 5″ of width really does help make for a better nice sleep, for me, but the 77′ length has always just seemed… well, kinda long.

So with the knowledge from Derek cutting into his Evolite, I am thinking it is probably time to break out the scissors and shorten my down a fair bit – so, thanks again Derek!

Also, right now (August 16, 2016, 10am PST) the Therm-a-Rest Evolite is on sale at (affiliate link to help the cause!) for an insanely low price of just $47.98 for the regular size! WOW!! That is an amazing price for a sleeping pad of this comfort level – the regular size i usually $119.95… so over 50% off on this amazon sale! If you do not want to buy it from amazon you can get it directly from Therm-a-rest at

Trimming a bit of foam away, in order to have the ability to reseal the pad. Note there is very little debris from slicing off a piece of the foam.
Resealed and looking good!

Again, full credit for these photos and information goes to Derek Weeks. Thanks a bunch Derek!

5 thoughts on “Resizing a Therm-a-rest Evolite Sleeping Pad

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