Rab Cirrus Flex Insulated Vest

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The Rab Cirrus Flex Insulated Vest offers lightweight warmth and breathability, making it an essential piece for versatile layering on any adventure.

Rab says: 

Lightweight, packable insulated vest 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 Flex Insulated Vest is a superb layering option for those who need warmth without bulk. Weighing just 278 grams in a medium size, it offers an excellent blend of insulation and breathability, thanks to the high-loft PrimaLoft Silver RISE insulation and Thermic stretch fleece side panels. This vest is perfect for active use in warmer weather and as a core-warming layer under a shell in colder conditions.

On the trail, the vest maintains warmth while allowing for full mobility. The recycled Pertex Quantum outer fabric is lightweight and durable, efficiently handling the rigours of the outdoors. The slim fit makes it easy to layer, and the elasticated armholes ensure a snug, comfortable fit that keeps the warmth in without restricting movement.

Practical features like the integrated storage pocket and YKK zips make the Cirrus Flex Insulated Vest a versatile piece of kit that packs down small and is ready to be deployed whenever needed.

– 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 (99g/3.5oz, Size M)
• 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
• Elasticated armholes for warmth and comfort
• Single sided hem adjustment with anti snag tether

Specifications

• Small weighs: 261g
• Medium weighs: 278g
• Large weighs: 298g
• XLarge weighs: 323g
• Centre back length (Size M): 71.5cm / 28.1inch
• Fit: Slim

Material & Construction

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

Help & advice:

• Rab PrimaLoft Technology Explained
• About Rab
• Recycled Content in Outdoor Gear
• What is PERTEX Quantum?
• PERTEX Fabrics Overview