Rab Womens Cirrus Flex Insulated Jacket

Cirrus Insulation / Fill Weight 81g
Weighs 306g (UK size 12)
Code: SS18152
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The women's Rab Cirrus Flex is a quick drying, lightweight outer/midlayer, lightly filled with Cirrus featherless insulation with Thermic stretch fleece panelling for improved breathability and movement.

Rab says:

Worn as either a lightweight outer or warm midlayer, the Cirrus Flex Jacket is incredibly versatile, offering durability, breathability, and freedom of movement. Suitable for long mountain days in the likes of Scotland, Chamonix and beyond, this versatile jacket is a key piece for anyone who regularly gets out into the mountains.

The Cirrus Flex Jacket is lightly filled with Cirrus™ 3M Featherless insulation, which balances and regulates temperature so you don’t overheat while you’re moving or get cold when you stop. Designed for movement, the Thermic™ stretch fleece panelling offers excellent flexibility and improved breathability. The Cirrus Flex is made with durable Hyperlite™ rip-stop outer and lining fabric, which sheds water and is fast drying. The left pocket doubles as integrated stuff sack so it packs away neatly when you’re on the move.

Whether you plan to walk, climb, or scramble to the summit of the Ben, or beyond, the hard working Cirrus Flex Jacket is suitable for long mountain days and year round active use as part of a layering system.

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The women's Rab Cirrus Flex Jacket is perfect as a winter climbing and belay jacket as it's insulated with Cirrus powered by 3M featherless insulation which closely mimics the look and performance of down while maintaining its warmth, even when wet. 

The Cirrus Flex Jacket is a slightly different take on the Nebula and Nimbus Jackets. Although it's filled with the same type of insulation, it only has about half of the fill at 100g for a size L. In place of the extra fill they have added stretchy side fleece panels for better breathability and movement. The fleece has a smooth outer with a grid like pattern to it, whereas the inside of the fleece is softer thanks to the brushed fabric.

This versatile jacket will allow you to move, twist and practically dance your self through the mountains without overheating thanks to the cleverly thought out design.

- Reviewed by Ultralight Outdoor Gear

Help and advice:  Synthetic Insulation explained at Ultralight Outdoor Gear    
  • Hyperlite™ rip-stop outer and lining fabric
  • Thermic™ stretch fleece with grid face and brushed back panelling
  • Cirrus™ powered by 3M Featherless insulation (81g/2.8oz in size 12)
  • Fleece lined chin guard
  • YKK® VISLON® front zip with internal storm flap
  • 2 YKK® zipped hand pockets. Left pocket doubles as integrated stuff sack
  • 2 Interior drop-in pockets
  • Lycra bound elasticated cuffs
  • Hem drawcord
  • UK 08 weighs: 254g
  • UK 10 weighs: 284g
  • UK 12 weighs: 306g
  • UK 14 weighs: 338g
  • UK 16 weighs: 352g
  • Fit: Slim


  • Outer: Hyperlite™,DWR 80/20,36g/m2,20d/20d,100% nylon
  • Inner: Thermic™,94% Polyester 6% Elastane
  • Insulation: Cirrus™,81g/2.8oz in size 12
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