Hello all, here is the situation. Taking my brother in law out backpacking this weekend but a recent drop in the forecasted temp has me worried with no time to give it the old backyard test since I have had to reconfigure my gear setup to accommodate us both.
Origional temps had overnight lows in the high teens, now it looks like it will go down to about -6 degrees F.
My proposed set up:
Large Xtherm
Thermarest z-lite
microfiber liner
MYOG apex quilt, good to about 50 on its own and comes up under my armpits
Converted Golite 0 degree down quilt
I will be layered up including down booties, wool base layers and socks, wool quarter zip, fleece pullover, light synthetic vest and jacket. Head my smartwool balaclava, face mask, fleece beanie, and a down hat.
For my Brother in Law:
Neoair 4 season
Thermarest z-lite
Sea to summit thermolite reactor extreme liner
Golite synthetic 25 degree bag
40 degree down quilt on top as an overbag.
He will be layered up similarly to me, but he is a little shorter thus will be in the bag as it is my wifes and I am to tall for it.
I have taken the 0 degree quilt and microfiber liner down to 16 degrees with the 4 season and zlite pads and been fine. Once it got into the low teens and single digits it was getting uncomfortable.
The one plus to this is that we will be car camping the first night before hiking in, temps should warm up considerably after the first night. Thus I would be able to supplement my proposed setup with some old wool/fleece blankets I have. I have even considered bringing an old comforter to try and get through the night. . .
I wish I could test this myself but the sudden change has me in a bind. Let me know your thoughts. Thanks!!

