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 VerdictThe 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 downs 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 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 (120g/4.2oz, 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 loopArticulated sleeves, with semi-elasticated cuffsSingle sided hem adjustment with anti snag tetherSpecificationsXSmall (UK 08) weighs: 319gSmall (UK 10) weighs: 336gMedium (UK 12) weighs: 357gLarge (UK 14) weighs: 382gFit: SlimCentre back length (Size 10): 67cm / 26.4inchMaterial & ConstructionMain: 100% polyamide (recycled)Second: 94% polyester 6% spandexLining: 100% polyamide (recycled)Help & advice:Time-Saver Guide to Choosing a Synthetic JacketSynthetic Insulation ExplainedRab PrimaLoft Technology ExplainedRecycled Content in Outdoor GearWhat is PERTEX Quantum?PERTEX Fabrics Overview

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 w