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Quick comment on new Big Agnes Q Core SL Performance/Cold Weather
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Dena Kelley

Locale: Eagle River, Alaska
Quick comment on new Big Agnes Q Core SL Performance/Cold Weather on 05/20/2013 11:00:39 MDT Print View

We're having a very late spring in Alaska - I had a camping trip this past weekend that had been planned for a couple of months expecting spring temps but it snowed 6" Friday. We went anyway, and I got to use my new BA Q-Core SL for the first time. Temps dipped into the low 20's overnight.

First the good: I have the long/wide (25") version of this pad. It's extremely comfortable. The 3.5" thickness gave me enough room that I could even sleep on my side without my hipbones punching through to the ground, which is a first for me with an air mattress. I didn't experience my typical back spasms and cramps on this pad like I did with my old ones. It's a keeper, and worth the weight penalty for my purposes.

The bad: It does transmit the cold from the ground pretty significantly. I topped it with a Z-Rest since I expected this to occur, but would definitely not have wanted to sleep on it without a CCF topper to up the R value.

Andrew Martin
(am1982) - M

Locale: PacNW
RE: Quick comment on new Big Agnes Q Core SL Performance/Cold Weather on 05/20/2013 11:09:03 MDT Print View

Judging by all the comments on these foums, I think the rule with all these insulated inflatable air mattress pads (I've owned a Synmat 7 and UL 7) require thin CCF pads in order to cut the heat transfer between the air inside the pad and ground when the ground is cold.

Still, the joy of being able to side sleep in the backcountry and wake up refreshed is amazing - worth the extra foam.

Edited by am1982 on 05/20/2013 11:09:38 MDT.

David Poston
(dgposton) - F

Locale: Texas / Colorado
X-Therm on 05/20/2013 12:22:04 MDT Print View

I found too that I got cold in my Big Agnes Insulated Air Core (of 2007 vintage) when the temps dipped down to around freezing. But what about the XTherm? The R value is rated at 5.7! Suitable at least for spring/fall use, methinks.

For me, it's between the XTherm and the Exped SynMatUL. The QCore (UL version) seemed a bit narrow--I guess that's why you have the wide?

Edited by dgposton on 05/20/2013 12:22:55 MDT.

Dena Kelley

Locale: Eagle River, Alaska
"Quick comment on new Big Agnes Q Core SL Performance/Cold Weather" on 05/20/2013 12:36:06 MDT Print View

Yes, I chose the wide/long version and it is true to spec.

If I were going to winter camp on a regular basis, this wouldn't be my pad of choice, but this was atypical. It at least let me know I can stretch it if I have to.