The Cascade -40  IS RATED DOWN TO NEGATIVE 40 DEGREES  *
( - 40° DEGREES FAHRENHEIT     - 40 DEGREES CELSIUS )

(( -40 degrees Fahrenheit ALSO JUST HAPPENS to equal -40 degrees Celsius . 
This is the temperature ( -40 ) at which the two temperature scales converge !  ))
40 degrees below zero F. negative 40 minus 40 degrees below zero minus forty degrees farenheit

* Temperature Rating Obtained in a Closed Environment With a Mattress .
* Temperature Ratings are mechanically / electronically determined .

Keep in mind that some PEOPLE are "hot sleepers" while others are "cold sleepers" , so heat loss & ratings are calculated using instruments .

 
 
  Some Features :
.

*  Quilted Double Layer Construction

*  Sewn In Draft Tube and Chest Collar
 

 Materials Used :

*  Fill Material : 6 LBS. of  INVISTA THERMOLITE ^® QUALLO

Outer Shell : INVISTA TACTEL ® NYLON

Inner Lining : POLYESTER TAFFETA

Zipper :  # 8 Two-Way

*  Overall Size Each :  32" wide x 85" long x 21" wide at the foot .
~~~That means the INSIDE of the bag is more like 28" wide x 80" long x 17" wide at the foot. ~~~

NOTE: Each ONE Bag Fits a MAXIMUM Girth of 56" around chest and shoulders.
(  Take a minute to measure around your chest and shoulders.     If ONE Mummy Bag will NOT fit around you
 ... You MUST PLAN on zipping two bags together )

*  A Compression Stuff sack made of 210D Oxford Nylon WITH Compression Straps is  INCLUDED FREE with each CASCADE - 40 .

*  Two CASCADE -40 Bags  WILL ZIP TOGETHER  Side by Side

*  Manufacturer's FIVE YEAR Warranty against defects in materials and workmanship.