The Rab Nebula Jacket is a great option for cold damp environments thanks to the combination of Pertex Endurance fabric and Cirrus loft synthetic insulation. Micro baffles prevent the Cirrus from migrating through the jacket while the lighter internal Nylon ensure it has freedom to loft. With an excellent helmet compatible hood and YKK zips throughout the Nebula is the the perfect jacket for Scottish winter conditions.
Pertex Endurance is the most durable of the Pertex range of fabrics. Endurance has an water resistant outer coating with a Hydrostatic head of 1000mm and is totally windproof yet is still very breathable, making this a superb fabric for insulated clothing used in harsh conditions.
Cirrus insulation combines the benefits of down with synthetic fill. It is in fact a synthetic insulation that unlike others has not been formed into a sheet. Instead it remains a loose water resistant down like fibre that expands to form a "cloud of warmth". It will deliver the same warmth for it's weight as 600 fill power duck down. As well as lofting properties Cirrus is very compressible as well as robust. With a very fast drying Cirrus will get back up to full insulation properties a lot faster than Hydrophobic down or synthetic insulation that is formed into a sheet.
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