Pajak Radical 4Z

An all season sleeping bag. Experienced users can also use it during winter hikes/expeditions to save packing space.

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The opinion of Aventure Nordique

The Radical 4Z is the most versatile sleeping bag in the Polish manufacturer Pajak's range. It is an ultra-light sleeping bag weighing 730 g in regular size, offering a comfort temperature of -1°C.
It is carefully designed and manufactured with quality materials. It has a filling of 850 cuin Polish goose down, distribution 95/5. The Ultra Light Ripstop Shell Gelanots shell has been treated with a hydrophobic treatment that allows the fabric to breathe (condensation evacuation). The Z-shaped partitioned construction prevents thermal bridges and optimizes insulation.
The Pajak Radical 4Z has a wrap-around hood and an anti-cold collar. The YKK zipper is located on the left side of the sleeping bag. It is equipped with a double cursor. Along the closure, a bead prevents cold air from entering.
This sleeping bag is classified as a 3-season sleeping bag, but with experience and appropriate equipment, the experienced hiker will be able to use it in less mild temperatures.

  • D zipper buffles

  • Internal/external hang loops

  • Inside pocket

  • Non blocking zipper

  • Single hand hood regulation

  • Compression/storage sack included

  • Velcro lock protection

  • Construction Z

  • YKK / ITW Nexus

Technical details

Manufacturer Pajak
Product name Radical 4Z
Season 3 season
Model Unisex
Fill Goose Down
Cuin 900 cuin 95/5
Comfort rating -1°C
Comfort Limit -7°C
Extreme rating -25°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 Short : 5 L - Regular : 5,3 L - Long : 5,5 L
Outer shell Gelanots Ultra Light Ripstop Shell
Inner lining Gelanots Ultra Light Ripstop Shell
Fill Weights Short : 450 g - Regular : 470 g - Long : 510 g
Weight Short : 685 g - Regular : 720 g - Long : 790 g
Zipper Left
Additional information Compression/storage sack included.
Warranty 2 years
Country of Manufacture Poland


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