Women Rab Womens Cirrus Flex Insulated Jacket

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Warmth, packability, and versatility for year-round mountain adventures.

Rab says: 

Lightweight, packable insulated jacket with fleece side panels for breathability and superb mobility. Now with larger baffles and warm, high-loft synthetic insulation, it’s ideal as an outer in the warmer months or for layering in cold conditions.

Our Verdict

The Rab Cirrus Insulated Jacket combines warmth, durability, and packability for year-round use, whether as a winter mid-layer or an outer layer in milder conditions. Featuring recycled PrimaLoft Silver Rise insulation, it mimics down’s loft while maintaining warmth even in damp weather, making it reliable in unpredictable conditions. The recycled 30D Pertex Quantum shell, complete with a water-resistant DWR coating, effectively blocks wind and light rain.

With a weight of 357 grams (UK12), the Cirrus packs down easily into its own pocket, which is ideal for stashing in a pack on longer treks. Practical details like spacious hand pockets, a chest pocket, and a fleece-lined chin guard add functionality and comfort, while adjustable cuffs and a drawcord hem help seal out cold air. This jacket is a great option for hikers and climbers who need a versatile, synthetic layer with a solid balance of warmth and durability for varying conditions.

– Reviewed by Ultralight Outdoor Gear

Features

• 20D Recycled Pertex® Quantum outer (38gsm) with fluorocarbon free DWR
• Thermic™ stretch fleece (215gsm) side panels
• 20D Recycled Pertex® Quantum lining (38gsm) with fluorocarbon free DWR
• PrimaLoft® Silver RISE 100% recycled synthetic insulation (120g/4.2oz, size 10)
• YKK® VISLON® centre front zip with insulated zip baffle and fleece lined chin guard
• 2 YKK® concealed zipped hand pockets
• YKK® zipped inner security chest pocket
• Integrated storage pocket with clip-in loop
• Articulated sleeves, with semi-elasticated cuffs
• Single sided hem adjustment with anti snag tether

Specifications

• XSmall (UK 08) weighs: 319g
• Small (UK 10) weighs: 336g
• Medium (UK 12) weighs: 357g
• Large (UK 14) weighs: 382g
• Fit: Slim
• Centre back length (Size 10): 67cm / 26.4inch

Material & Construction

• Main: 100% polyamide (recycled)
• Second: 94% polyester 6% spandex
• Lining: 100% polyamide (recycled)

Help & advice:

• Time-Saver Guide to Choosing a Synthetic Jacket
• Synthetic Insulation Explained
• Rab PrimaLoft Technology Explained
• Recycled Content in Outdoor Gear
• What is PERTEX Quantum?
• PERTEX Fabrics Overview