noItem ID: The Jerven Bag Thermo Extreme-1


Online sale within the EU will be charged with 25% VAT.

  • kr 3,790.00



Weigth: 2000 gram - 102x220 cm.

This variant of The Jerven bag was earlier developed upon a wish from the Military:
«Make a Jerven bag, which is warm enough to replace the sleeping bag at winter time.»
Well, some think we have succeeded, others dont. We have gotten feedback from avid open-air campers,who seem to be able to take the most of what you might throw at them of low temperatures. Ohers shiver when the night temperatures get close to + 5º C (41°F.). Ifyou use a light sleeping bag in addition, you ought to do just fine.

As a windsack it is quite superior. When you sit in this bag, it is close to impossible to get under + 20º C (68°F.) ! About 25 degrees C (77°F) is common. (See the Sintef report.)
But, then youre awake. It will not be quite the same when you sleep. You will fall asleep, but you may also wake up rather early. Most of us are very spoiled with the comfortable quilt at home. In any case, it is a definite alternative to the sleeping bag.

As wind sack/bag the The Jerven bag, Thermo Extreme is 2,2 x 1 meters. The padding is PrimaLoft 170 grams (0.4 lbs) per m². All the other thermo canvasses have 60 grams per m².




Mountain camo


Woodland camo


Rescue Orange

We carry orange colored Jerven bags, Thermo Hunter and The Jerven bag, Thermo Extreme, in stock. This is the identical bag. The difference is the thickness of the padding. Hunter has 80 grams per m², and Extreme has 200 grams. The size, as a wind sack, is 220 x 100 cm.
Rescue helicopters, the Civil defence, the Red Cross, the Military, domestic and abroad, foreign rescue departments, etc. have taken the Jerven bag in use as rescue equipment. The reason
is simple enough. The Jerven bag retains the body heat better than the traditional woollen blankets, etc.
Rescue crews on search for missing persons in the mountains, ought to carry The Jerven bag in the orange color with them. Both as a safety for their own lives, and for wrapping around
frozen persons.

The heat effects from the different Jerven bags are described in the SINTEF-report
(Placed on another page in this website...)




Textile: Aluminiumscoated polyester.


Lining: Polyester = Ripstop polyamide.


Wadding: PrimaLoft  (170 grams per m²)


Weight: Ca. 2000 gram.



Camouflage: Wood og Mountain.

(also i Rescue-Orange)


Includes: Armings, Rescueflag and Cushion Bag.


Warranty: 10 year.