Pajak Radical 16H

A mandatory piece of equipement for winter himalaya expeditions. Combines excellent thermal properties with minimum weight and very good compression.

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The opinion of Aventure Nordique

With the Radical 16H, the Polish brand Pajak offers a sleeping bag to cope with the most extreme negative temperatures. As one of the warmest sleeping bags in the world, it has a comfort temperature of -31°C and a comfort limit of -45°C, according to EN 13537 / ISO 23537.

This top-of-the-range sleeping bag is made of first-class materials. It is garnished with 1050 grams, Regular size, of 900 cuin Polish white goose down, with a 95/5 distribution. Its envelope is made of Ultra Light Ripstop Shell Gelanots, a breathable fabric that has a hydrophobic treatment. The down is compartmentalized in dozens of rooms on two levels, a 3D HH construction. Pajak took over a classic H-shaped construction and doubled it on a second level. The partitions are offset so that the seams are not aligned, thus preventing the creation of thermal bridges.

To reach such a comfortable temperature, the Radical 16H sleeping bag also benefits from IR Reflective Layer (IRL) technology. A reflective layer preserves 50% of the infrared radiation emitted by the body. Of course, it is equipped with a cold-proof flange along the zipper, a generous collar and a large hood. The double-slide zipper, elastic straps and velcro straps allow the sleeping bag to be sealed tightly to keep the heat inside. Only part of the face remains in the open air.

  • 3D zipper and collar buffles

  • Internal/external hang loops

  • Inside pocket

  • Non blocking zipper

  • Single hand hood regulation

  • Compression/storage sack included

  • Velcro lock protection

  • Construction HH

  • YKK / ITW Nexus

Technical details

Manufacturer Pajak
Product name Radical 16H
Season 4 season
Model Unisex
Fill Goose Down
Cuin 900 cuin 95/5
Comfort rating -31°C
Comfort Limit -45°C
Extreme rating -73°C
Dimensions User Maximum size Short : 165 cm, Regular : 180 cm, Long : 205 cm
Shoulders - Hips - Feet: Épaules / pieds : Short : 84 / 50 cm - Regular : 84 / 50 cm - Long : 84 / 50 cm
Folded size 10 litres (Regular)
Outer shell Gelanots Ultra Light Ripstop Shell
Inner lining Gelanots Ultra Light Ripstop Shell
Fill Weights 1050 g (Regular)
Weight 1500 g (Regular)
Zipper Left
Additional information Compression/storage sack included.
Warranty 2 years
Country of Manufacture Poland


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