Rab Downpour Mountain Waterproof Men's Jacket | Army

Rab Men's Mountain Waterproof Jacket – Lightweight, Durable, and Pack-Ready Protection

Conquer the mountains with confidence in the Rab Men's Mountain Waterproof Jacket – the perfect fusion of lightweight packability and all-weather performance. Ideal for serious hikers, climbers, and scramblers, this jacket is built with robust 2.5-layer Pertex® Shield fabric, offering exceptional waterproofing and breathability. Whether you're trekking through driving rain or scrambling up rocky ridgelines, this jacket is engineered to keep you dry, comfortable, and agile.

Weighing just 352.5g (Size M), it’s a lightweight essential for year-round mountain use. Featuring a helmet-compatible hood, fully articulated sleeves, and harness-accessible pockets, it's designed to perform in tough, technical conditions.

Key Features:

• Advanced Waterproof Protection: Constructed with 40D Pertex® Shield 2.5-layer ripstop fabric, offering 20,000mm hydrostatic head and 20,000g/m²/24hr breathability. PFC-free DWR for eco-friendly weather resistance.
• Mountain-Ready Design: Tackle scrambles and steep trails with durable ripstop construction and articulated sleeves for unrestricted movement.
• Weather-Resistant Hood: Helmet-compatible hood with a stiffened peak and adjustable volume—built for wind, rain, and visibility.
• Efficient Ventilation: Underarm pit zips promote airflow, keeping you cool during high-output activity.
• Secure Storage: Two A-line hand pockets are easily accessible when wearing a climbing harness or backpack.
• Smart Fit & Comfort: Regular fit with extended cuffs, dual rear hem adjustment, and a YKK® AquaGuard® front zip with chin guard for comfort in harsh conditions.

Technical Specifications:

• Fit: Regular
• Weight: 352.5g / 12.4oz (Size M)
• Back Length: 78cm / 30.7in (Size M)
• Waterproof Rating: 20,000mm Hydrostatic Head
• Breathability: 20,000g/m²/24hrs MVTR
• Material: 40D Pertex® Shield 2.5-Layer with fluorocarbon-free DWR (97gsm)
  This high-performance waterproof shell is your go-to jacket for fast-moving alpine missions, wet-weather hikes, and rugged mountain adventures. Durable, breathable, and packable—it’s ready when you are.

FREQUENTLY ASKED QUESTIONS

Is the Rab Men's Mountain Waterproof Jacket suitable for hiking and mountain use?
Yes, the jacket is designed for rugged mountain environments, featuring durable 2.5-layer Pertex® Shield fabric, articulated sleeves, and a helmet-compatible hood—perfect for hiking, scrambling, and technical adventures.

How waterproof is this jacket?
The jacket has a 20,000mm hydrostatic head rating, making it fully waterproof in heavy rain. It also features a fluorocarbon-free DWR finish for eco-conscious water repellency.

Is the jacket breathable for high-output activity?
Yes, with a breathability rating of 20,000g/m²/24hrs (MVTR) and underarm vents, this jacket offers excellent ventilation during intense outdoor activities.

Can I wear this jacket with a climbing harness or backpack?
Absolutely. The two A-line hand pockets are designed to be accessible while wearing a harness or backpack, making it ideal for climbing and long treks.

How much does the jacket weigh?
It weighs just 352.5g (12.4oz) in size M, offering excellent performance without adding bulk to your pack.

Is the hood adjustable and helmet-compatible?
Yes, the hood is fully adjustable with a stiffened peak and is designed to fit over a climbing helmet for added protection in mountain conditions.

What is the fit of the Rab Mountain Waterproof Jacket?
The jacket has a regular fit, allowing for layering underneath without being bulky or restrictive.

Does the jacket use environmentally friendly materials?
Yes, the Pertex® Shield fabric includes a fluorocarbon-free DWR coating, supporting more sustainable outdoor gear choices.