A dependable mountain shell thats built to take a battering, made for wet, cold, and high places where you need your kit to work hard.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 VerdictThe updated Rab Firewall Mountain 3L Jacket is a solid performer in prolonged foul weather. At 486g (UK12), 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.Tough, weather-ready and breathable enough for year-round mountain use.- 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 adjustmentSpecificationsUK 8 weighs: 447gUK 10 weighs: 465gUK 12 weighs: 486gUK 14 weighs: 498gFit: RegularCentre back length (Size 10): 73 cm/28.7 inchMaterial & Construction40D Pertex Shield 3-Layer construction waterproof technology with fluorocarbon-free DWR (133gsm) HH: 20,000mm/MVTR: 20,000 g/m2/24hrsMatrix single weave stretch nylon (130gsm)with fluorocarbon-free DWRMain 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

A dependable mountain shell thats built to take a battering, made for wet, cold, and high places where you need your kit to work hard.Rab says:The Firewall Mountain Jacket comes into its own when the forec