Warmth, packability, and versatility for year-round mountain adventures.Rab says:Layer in winter or use as an outer in the warmer months, this versatile synthetic insulated jacket is perfect for year-round alpine use. With a fresh design that’s warmer than previous versions, it has an integrated storage pocket and updated fit.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 431 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 elasticated 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 GearFeatures30D Recycled Pertex Quantum outer (52gsm) with fluorocarbon free DWR20D Recycled Pertex Quantum lining (38gsm) with fluorocarbon free DWRPrimaLoft Silver RISE 100% recycled synthetic insulation (177g/6.2oz, Size 10)Blown synthetic insulation lofts to trap air and provide warmthYKK 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 gusset at the cuff for optimum fit and comfortDual sided rear hem adjustment with anti snag tetherSpecificationsXSmall (UK 08) weighs: 391gSmall (UK 10) weighs: 404gMedium (UK 12) weighs: 431gLarge (UK 14) weighs: 460gFit: RegularCentre back length (Size 10): 69cm / 27.1inchMaterial & ConstructionMain: 100% polyamide (recycled)Lining: 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:Layer in winter or use as an outer in the warmer months, this versatile synthetic insulated jacket is perfect for year-round alpine