Insulated Winter Air Mattress
Therm-A-Rest NeoAir All Season mattress
$150, 1 lb. 3 oz. (reg)
Sizes: M 20x66x2.5 inches, regular 20x72x2.5 inches, L 20x77x2.5 inches
I spent three January nights sleeping under the stars in the Boise Mountains on this air mattress (in a 0° bag) and stayed perfectly warm in temps down to the low teens, thanks in part to the NeoAir’s high R-value, or ability to insulate against the frozen ground.