Tough, weather-ready and breathable enough for year-round mountain use.Rab says:The Firewall Mountain Jacket comes into its own when the forecast threatens to disrupt your plans. Fully featured and highly protective, it uses 3-layerPertex Shieldto deflect persistent drizzle and torrential rain, so you can keep exploring unfazed. Equipped for year-round hikes, scrambles, and mountaineering, the Firewall Mountain Jacket is a true all-mountain shell.Our VerdictA dependable mountain shell thats built to take a battering, made for wet, cold, and high places where you need your kit to work hard.The updated Rab Firewall Mountain 3L Jacket is a solid performer in prolonged foul weather. At 521g for a Medium, its on the heavier side for a waterproof shell, but it earns its keep with durable construction and a well-thought-out feature set. The Pertex Shield 3-layer fabric offers trustworthy waterproofing and doesnt feel plasticky against the skin, even during long stints on the move.The helmet-compatible hood adjusts easily, and the peak holds its shape well in the wind. The pit zips are generous, helping dump heat fast without unzipping the front. I found the articulated sleeves and overall cut comfortable, with room for layers underneath without feeling oversized.- Reviewed by Ultralight Outdoor GearFeatures2-way adjustable hood with concealed internal cord locks and single handed adjustment with stiffened flexible polymer peak for added protectionYKK AquaGuard centre front zip with chin guard for comfortYKK AquaGuard pit zips for efficient core ventilationFully articulated sleeves for improved fit and comfort2 YKK AquaGuard zipped A-line pocketsExtended cuffs with hook and loop adjustment for fit with gloves or mittsDual sided rear hem adjustment with single handed adjustmentSpecificationsSmall weighs: 497gMedium weighs: 521gLarge weighs: 542gFit: Regular: 562gCentre back length (Size M): 78 cm/30.7 inchMaterial & Construction40D Pertex Shield 3-Layer construction waterproof technology with fluorocarbon-free DWR (133gsm) HH: 20,000mm/MVTR: 20,000 g/m2/24hrsMain Body: 100% Polyamide (Recycled) with Polyurethane membrane, Reverse: 100% PolyamideHelp & advice:Pertex Shield Technology ExplainedTime-Saver Guide to Choosing a Waterproof JacketTime-Saver Guide to PFC FreeAbout RabChoosing a Waterproof JacketMVTR BreathabilityHydrostatic HeadRab Sustainability and Responsibility

Tough, weather-ready and breathable enough for year-round mountain use.Rab says:The Firewall Mountain Jacket comes into its own when the forecast threatens to disrupt your plans. Fully featured and highly protect