The SirJoseph mummy sleeping bag Double Attack II 170 2-in-1 - Blue is a down sleeping bag from the well-known brand SirJoseph among mountaineers. This sleeping bag is suitable for trekkers, adventurers and travelers. The re-born concept of 2-in-1 sleeping bag is unique and allows you to make two light summer sleeping bags or one warm, comfortable and reliable 3-season and winter sleeping bag. In the summer you can make the sleeping bags together and enjoy the beauty of the summer evenings together with your loved one.

The re-born 2-in-1 concept together with the new generation of high-quality Softex Diamond material, the quality goose feathers with a filling of 600 cuin guarantee an ultimate sleeping comfort. 

Below are the specifications of the SirJoseph mummy sleeping bag Double Attack II 2-in-1 4 seasons:

• The mummy shape adapts perfectly to the human figure
• Use of X chamber construction in the sleeping bag
• Anatomically shaped cape protects the head and face from the cold
• Closed chambers prevent springs from moving through the entire sleeping bag and allow for washing and easy maintenance
• The cord locks make it possible to control the circumference of the collar and hood with one hand
• Left and right zippers with possibility to zip together
• The double-sided zipper allows the sleeping bag to be opened from above and below
• 2D collar separates the space for the head and isolates the space for the body
• Compression and storage bag is included
• The compression bag reduces the volume to 30%
• A special strip, which is supported by the zippers prevents heat from escaping through the zipper and prevents the zipper from getting stuck in the fabric.
• A small compartment for small items in the sleeping bag
• 600 cuin / oz
• 2-chamber bottoms increase warmth comfort at the feet
• Outer material: Softex ® NIUs LT
• Inner material: Softex ® 20d DWR and goose feathers
• Loading weight 450 + 400 grams of springs
• Suitable for a person up to 170 cm
• Shoulder 82cm, hip 78cm, foot 33cm
• 1580 grams
• In compression bag 32 x 23 cm

For the outside of the sleeping bag Softex NIUs LT is used, a material used for making sleeping bags and jackets filled with feathers or synthetic fibers and windbreakers. Equipped with a DWR water-repellent treatment that increases resistance to moisture ingress. Water repellent 350mm H2O DWR, 90% water resistant and 90% breathability with a weight of 40g / m2.

On the outside, the lining material Softex 20d DWR is used, this is also a material used for sleeping bags and clothing in which feathers are processed. The DWR treatment increases the water resistance. Water repellent 350mm H2O DWR, 90% water resistant and 90% breathability with a weight of 40g / m2.

The goose down used with a fullness of 600 cuin / oz (measured according to a European standard) is of exclusively European origin. Here the emphasis is on the ratio of heat and price where weight does not play a major role. The feathers are veterinary tested and all listed parameters are based on the international IDFB (International Down and Feather Bureau) protocol. Goose down is 100% natural, 100% recyclable and easily biodegradable.

Also available on order in the inner sizes 170/190/200 cm.

Extreme tested: -30 ° C / low Comfort: -12 ° C / high comfort: -5 ° C

Below is an explanation of these temperatures:

The sleeping bag comes with a compression bag. The recommended body length for this sleeping bag is 170 cm.

Also watch the video to get a good look at the sleeping bag.