{"product_id":"rab-firewall-mountain-jacket","title":"Rab Firewall Mountain Jacket – Technical Waterproof Mountain Jacket with Pertex® Shield 3L","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eRab Firewall Mountain Jacket\u003c\/strong\u003e is a technical waterproof mountain jacket designed to offer reliable protection on demanding days when rain, wind, and uneven terrain can affect activity. Constructed with \u003cstrong\u003ePertex® Shield 3-layer\u003c\/strong\u003e, it combines waterproofing, breathability, and durability in a shell prepared for technical trekking, scrambling, mountain traverses, and prolonged use with a backpack.\u003c\/p\u003e\n\u003cp\u003eCompared to lighter or emergency rain jackets, the Firewall Mountain Jacket offers a more robust and stable construction, with 40D fabric, an adjustable hood designed for bad weather, underarm vents, and a pocket configuration designed to remain functional with a harness or backpack.\u003c\/p\u003e\n\u003cp\u003eIt is a jacket for those seeking a serious, durable, and versatile waterproof shell, capable of performing on long routes as well as moderate alpine activity throughout the year.\u003c\/p\u003e\n\n\u003ch2\u003eReal Technical Performance\u003c\/h2\u003e\n\u003cp\u003eThe Firewall Mountain Jacket sits at a higher level within Rab's waterproof range compared to more compact models like the Downpour Mountain. Its \u003cstrong\u003ePertex® Shield 3L\u003c\/strong\u003e construction provides greater protection, better fabric stability, and a more solid feel for frequent mountain use.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e20,000 mm\u003c\/strong\u003e hydrostatic head allows it to face persistent rain and adverse weather conditions, while the \u003cstrong\u003e20,000 g\/m²\/24 h MVTR\u003c\/strong\u003e breathability helps to wick away moisture during intense activity. The underarm ventilation zippers allow temperature regulation on long climbs, approaches, or days with changes in pace.\u003c\/p\u003e\n\u003cp\u003eWeighing \u003cstrong\u003e492 g in size M\u003c\/strong\u003e, it is not an ultralight shell: its value lies in protection, durability, and technical balance for real mountain use. It is a garment particularly suitable for those who prioritize reliability and continuous use over the lightest possible weight.\u003c\/p\u003e\n\n\u003ch2\u003eQuantitative Technical Specifications (Rab Equipment)\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 492 g \/ 17.4 oz (size M)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eCenter back length:\u003c\/strong\u003e 78 cm \/ 30.7 in (size M)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eWaterproofness:\u003c\/strong\u003e HH: 20,000 mm\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eBreathability:\u003c\/strong\u003e MVTR 20,000 g\/m²\/24 h\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eMain fabric:\u003c\/strong\u003e 40D Pertex® Shield 3-Layer, 133 g\/m²\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eOuter treatment:\u003c\/strong\u003e Fluorocarbon-free DWR\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eMembrane:\u003c\/strong\u003e Pertex® Shield 3-layer waterproof and breathable construction\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eFront zipper:\u003c\/strong\u003e YKK® AquaGuard® with chin guard\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eHood:\u003c\/strong\u003e Adjustable, with a sturdy peak and prepared for mountain weather\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003ePockets:\u003c\/strong\u003e Two hand pockets and one chest pocket, accessible with a backpack or harness\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eVentilation:\u003c\/strong\u003e Pit zips\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eAdjustments:\u003c\/strong\u003e Extended adjustable cuffs and one-hand adjustable hem\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eFit:\u003c\/strong\u003e Regular\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eProduct code:\u003c\/strong\u003e QWG-9\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch2\u003eComparison within the Range\u003c\/h2\u003e\n\u003cp\u003eWithin the Rab waterproof collection, the Firewall Mountain Jacket is clearly oriented towards more technical and demanding use than the Downpour Mountain Jacket. The main difference lies in its \u003cstrong\u003ePertex® Shield 3-layer\u003c\/strong\u003e construction, which is more robust and prepared for continuous activity.\u003c\/p\u003e\n\u003cp\u003eCompared to the \u003cstrong\u003eDownpour Mountain Jacket\u003c\/strong\u003e, it offers greater durability, better structure, and a more protective feel in bad weather, albeit with more weight. Compared to the \u003cstrong\u003ePhantom Mountain Jacket\u003c\/strong\u003e, it is much less minimalist and more suitable for frequent use with a backpack. Compared to a \u003cstrong\u003eLatok GTX\u003c\/strong\u003e, it is more versatile and accessible for general mountaineering, although it is not focused on the same level of severe alpinism.\u003c\/p\u003e\n\u003cp\u003eIt is a very interesting option for those who want a technical mountain shell without reaching the weight, price, or specialization of an extreme alpine hardshell.\u003c\/p\u003e\n\n\u003ch2\u003eRecommended Use\u003c\/h2\u003e\n\u003cp\u003eRecommended for technical trekking, demanding mountain hiking, scrambling, alpine traverses, approaches, long routes with a backpack, and year-round outdoor use. It also fits very well as a primary waterproof jacket for users who prioritize resistance and real protection over extreme lightness.\u003c\/p\u003e\n\n\u003ch2\u003eIs it for you?\u003c\/h2\u003e\n\u003cp\u003eThe Rab Firewall Mountain Jacket is for you if you are looking for a technical, robust, and reliable waterproof mountain jacket, with a 3-layer construction, good ventilation, and details designed for real use with a backpack or harness.\u003c\/p\u003e\n\u003cp\u003eIt may not be your best option if you are looking for an ultralight waterproof jacket to carry \"just in case,\" where a Phantom Mountain or a lighter Downpour would make more sense. If your main activity is severe technical alpinism or expeditions in very harsh conditions, you should consider a higher-end shell from the Latok GTX range.\u003c\/p\u003e","brand":"Rab","offers":[{"title":"Maya Blue • MYB \/ S","offer_id":54267929559366,"sku":"QWG-96-MYB-SML","price":210.0,"currency_code":"EUR","in_stock":true},{"title":"Maya Blue • MYB \/ M","offer_id":54267929592134,"sku":"QWG-96-MYB-MED","price":210.0,"currency_code":"EUR","in_stock":true},{"title":"Maya Blue • MYB \/ L","offer_id":54267929624902,"sku":"QWG-96-MYB-LRG","price":210.0,"currency_code":"EUR","in_stock":true},{"title":"Maya Blue • MYB \/ XL","offer_id":54267929657670,"sku":"QWG-96-MYB-XLG","price":210.0,"currency_code":"EUR","in_stock":true},{"title":"Maya Blue • MYB \/ XXL","offer_id":54267945517382,"sku":"QWG-96-MYB-XXL","price":210.0,"currency_code":"EUR","in_stock":true},{"title":"Dark Horizon • DRH \/ 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