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 VerdictThe Rab Cirrus Flex Insulated Vest is a superb layering option for those who need warmth without bulk. Weighing just 254 grams (UK12), 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 GearFeatures20D Recycled Pertex Quantum outer (38gsm) with fluorocarbon free DWRThermic stretch fleece (215gsm) side panels20D Recycled Pertex Quantum lining (38gsm) with fluorocarbon free DWRPrimaLoft Silver RISE 100% recycled synthetic insulation (80g/2.8oz, Size 10)YKK VISLON centre front zip with insulated zip baffle and fleece lined chin guard2 YKK concealed zipped hand pocketsYKK zipped inner security chest pocketIntegrated storage pocket with clip-in loopElasticated armholes for warmth and comfortSingle sided hem adjustment with anti snag tetherSpecificationsXSmall (UK 08) weighs: 205gSmall (UK 10) weighs: 233gMedium (UK 12) weighs: 254gLarge (UK 14) weighs: 275gFit: SlimCentre back length (Size 10): 67cm / 26.4inchMaterial & ConstructionMain: 100% polyamide (recycled)Second: 94% polyester 6% spandexLining: 100% polyamide (recycled)Help & advice:Rab PrimaLoft Technology ExplainedRecycled Content in Outdoor GearWhat is PERTEX Quantum?

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