Rab® Cirrus™ Insulation
About Cirrus™ Insulation
Cirrus™ is the latest insulation technology from Rab. It’s a synthetic insulator that combines the benefits of natural down insulation, without the drawbacks. Cirrus™ is made up of water-resistant fibres, which mimic the structure of natural down to create a cloud of warmth.
When Cirrus™ insulation is blown into the baffle chambers of a product the fibres expand, filling the baffles and providing excellent warmth to weight properties. In fact, Cirrus™ has been proven to deliver the same warmth to weight ratio as 600 Fill Power duck down. Unlike down, however, Cirrus™ performs well in damp conditions, making it perfect for the British weather.
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