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Rab Beluga/Zinc Nimbus Jacket 


Rab have used their new Cirrus insulation for the Nimbus Jacket; Cirrus is a 3M Featherless synthetic insulation that provides a high performance alternative to natural down. It was designed to mimic the look and feel of natural down with all the benefits and none of the drawbacks. It retains two times the loft of down when wet, breathes superbly, has no allergens, retains warmth even when wet (more so than Hydrophobic down), compresses easily and dries exceptionally quickly.

Rab have used this amazing new insulation in the Nimbus jacket, so called as it's like having a little cloud of warmth around you, and produced a lightweight synthetic insulated jacket with the equivalent warmth of a 600 fill power down filled jacket. Mini stitch through baffles keep the insulation in place and give the Nimbus a clean and minimalist look. If you are familiar with Rab products this is like a synthetic filled version of their superb Microlight Alpine Jacket. The filling compresses well when packed and is robust and durable. Its resistance to moisture, warmth when wet and speed of drying are extremely high; superior even to Hydrophobic down and previous synthetic insulation.

Pertex's Quantum fabric is used for the shell, this incredibly lightweight fabric keeps the filling under control, is windproof and highly breathable and an air-permeable Hyperlite nylon lining is used to optimise breathability. The combination of insulation and fabrics provide unparalleled levels of breathability making the Nimbus perfect for active use in cold and damp conditions as a mid layer or stand alone jacket. 

The fixed hood is fully insulated and will fit over or under a climbing helmet and you get high quality YKK zips throughout. When not required the Nimbus will pack into its own pocket and stash almost unnoticed into your pack making it perfect jacket for all winter mountain activities.



  • Pertex Quantum outer fabric
  • 100% nylon air-permeable lining
  • Cirrus powered by 3M Featherless insulation
  • Stitch through mini baffles
  • Over or under helmet hood with Lycra binding
  • YKK VISLON front zip with internal baffle
  • 2 YKK zipped hand warmer pockets - left pocket doubles as a stuff sack.
  • 1 YKK zipped internal security pocket
  • Elasticated Lycra cuffs
  • Hem drawcord
  • Regular fit


£150.00 Regular Price
£112.50Sale Price
  • RAB




    Rab is a United Kingdom mountaineering clothing and camping equipment manufacturer and supplier.


    The company was founded in Sheffield, South Yorkshire, by mountaineer Rab Carrington. Their story began in 1981 in the attic of a small, terraced house in Sheffield where Rab Carrington made the first sleeping bag to bear his name. Hand-stitched and devised with his own ingenious eye, Rab's experience from years spent in the mountains was apparent in his designs, and soon there was popular demand from Rab's friends and the growing local climbing community.


    But things didn't stop there. Word soon spread, and the Sheffield attic became a factory floor, creating sleeping bags and jackets for customers far and wide. Now, decades later, those honest, hard-wearing designs can be found all over the world; wherever adventurous individuals face up to the elements. From Himalayan peaks to cold, crisp evenings around a camp fire.



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