BEST WATERPROOF JACKETS
FOR CLIMBING

GEAR UP FOR YOUR NEXT ADVENTURE WITH TREKITT’S TOP PICKS:
BEST WATERPROOF JACKETS FOR CLIMBING🧗

WHAT ARE BEST WATERPROOF JACKETS FOR CLIMBING?

Lightweight Alpine Shells

Softshell Hybrid Jackets

Hardshell Jackets

TERMS GUIDE FOR CLIMBING WATERPROOF JACKETS

Membranes: Protecting Against Rain While Staying Breathable

When climbing, a quality waterproof jacket isn’t just another layer—it’s your shield against the elements and an essential partner for a successful mount. The best climbing jackets, often made with advanced membranes like GORE-TEX or Pertex, work hard to keep rain, snow, and wind at bay while allowing sweat to escape. This breathability is key when pushing through demanding routes and generating plenty of heat.
Without proper ventilation, things can get uncomfortable fast—your jacket turns into a sauna, leaving you damp and chilled once you pause for a break. And at altitude, that’s not just unpleasant—it can be risky. An excellent climbing jacket strikes the perfect balance, protecting you from the weather and dry from your effort.


Two-layer and three-layer membranes

When picking out a climbing jacket, you’ll probably encounter terms like “2-layer” and “3-layer” construction. Knowing the difference might sound technical, but it can help you choose the right gear for your climbs.
A two-layer jacket pairs a waterproof membrane with an outer fabric and adds a loose lining on the inside. It’s lightweight, comfortable, and does a great job keeping you dry. It’s a solid option for less intense climbs or something easy to pack and carry.
On the other hand, 3-layer jackets are built for more demanding adventures. They sandwich the waterproof membrane between a tough outer layer and a smooth inner layer, giving you better durability and breathability. These jackets shine on longer climbs, technical routes, or when the weather can turn on a dime. Sure, they’re pricier, but if you’re tackling rugged conditions, the extra performance and reliability are worth it.

Hydrostatic Head: Understanding Waterproof Ratings for CLIMBERS

When looking at climbing jackets, you’ll probably notice something called the hydrostatic head rating. It might sound a bit technical, but it’s just a way to measure how waterproof a jacket really is. The rating is in millimetres (mm) and tells you how much water pressure the fabric can handle before leaks. For instance, a jacket with a 20,000 mm rating can resist the pressure of a 20,000 mm column of water without letting any through.
For most climbing trips, a rating between 15,000 mm and 20,000 mm is plenty to handle rain, snow, and windy conditions. But if you’re heading into high-altitude climbs or places where the weather can go from bad to worse in a flash, you’ll want a jacket with a 20,000 mm rating or higher. It’ll give you extra protection to keep you dry, even during heavy storms or long stretches of wet weather.

RET (Breathability Rating): Managing Moisture

Regarding climbing jackets, you might hear about something called RET, or Resistance to Evaporative Heat Transfer. Don’t let the technical name throw you—it’s just a way to measure how breathable a jacket is. And when you’re climbing hard or on long routes, breathability is a big deal.
Here’s the gist: the lower the RET number, the better the jacket lets sweat escape. A rating between 0 and 6 is top-notch and perfect for high-energy activities like technical climbs. Ratings between 7 and 12 still offer good breathability, which works well for general mountaineering. But if the RET is above 20, the jacket’s less breathable and better suited for slower-paced adventures or cold conditions where keeping warm takes priority.
Breathability matters because your body generates heat and moisture while working hard. If your jacket traps all that, you’ll end up damp and uncomfortable, leading to overheating while climbing or getting chilled during breaks. Picking a jacket with a low RET rating means staying dry, comfortable, and ready to focus on the next pitch—no matter what the mountain throws your way.

Packability: Keeping Weight Down for CLIMBERS

When you’re gearing up for a climb, every gram in your pack matters. That’s why a lightweight, packable, waterproof jacket is a must-have. It’s easy to stash away and doesn’t weigh you down, making it a lifesaver when the weather suddenly shifts to rain, snow, or biting wind.
But here’s the thing: weight and durability often go hand in hand. Ultralight jackets are amazing for fast-and-light missions, but they might not hold up as well against rough rock, ice, or extreme conditions. If you’re planning a technical climb or expecting harsher weather, a slightly heavier, more durable jacket could be the better call.
For climbing, a good waterproof jacket usually weighs between 300 and 500 grams (10.5 to 17.5 ounces). The lighter ones are perfect for speed-focused alpine routes, while those closer to 500 grams give you extra durability and features—like reinforced areas and helmet-compatible hoods—without sacrificing packability. Picking the right balance depends on your route, the conditions, and whether you’re prioritising speed or rugged protection.

PFC-Free DWR: Water Repellency

Most climbing jackets have a DWR (Durable Water Repellent) coating, which helps water bead up and roll off the surface instead of soaking into the fabric. This coating is key to keeping your jacket breathable and lightweight, even in wet or snowy conditions. The outer fabric can get saturated without it, making the jacket heavier and less effective at keeping you dry.
In the past, DWR coatings often contained PFCs (perfluorinated compounds), which aren’t great for the environment. Luckily, many brands now use PFC-free DWR, offering the same level of water resistance without the environmental impact. It’s a win for performance and sustainability, so you can choose gear that keeps you dry and aligns with your values.
Remember that DWR coatings don’t last forever—they can wear off with regular use, dirt, or washing. The good news? Reapplying a DWR treatment is easy and ensures your jacket stays at its best. A little maintenance goes a long way, helping your jacket protect you through every climb, no matter the conditions.

FEATURES TO LOOK FOR IN A CLIMBING WATERPROOF JACKET

Durable Face Fabrics

Helmet-Compatible Hood

Harness-Compatible Design

Articulated Fit for Mobility

Ventilation Features

RECCO Safety Reflectors

Storm-Ready Features

Weatherproof Pockets

How to Care for a Waterproof Jacket For CLIMBING:
Washing and Reapplying DWR

Why You Need to Wash and Reapply DWR

When a jacket wets out:

  • Water no longer beads off the surface and instead soaks into the fabric.
  • While the waterproof membrane prevents water from penetrating, the soaked fabric can feel heavy, and moisture from sweat or condensation
    may accumulate inside, reducing comfort.
  • This is often mistaken for a faulty jacket, but it needs proper cleaning and re-treatment.

How to Wash and Reapply DWR

  1. Prepare Your Jacket
    • Empty all pockets and fasten zips, Velcro, and flaps to prevent damage during washing.
    • Check the care label for any specific instructions.
  2. Wash with a Technical Cleaner
    • Use a specialised tech wash (avoid standard detergents, as they can leave a residue that reduces performance).
    • Wash on a gentle cycle with cool water, as per the care label.
  3. Dry Your Jacket
    • After washing, tumble dry on low heat if the care label permits. The heat helps reactivate the DWR to some extent. If tumble drying isn’t recommended, air dry thoroughly.
  4. Reapply DWR
    • Use a spray-on or wash-in DWR treatment, following the product instructions.
    • For spray-on products, focus on high-wear areas like shoulders, cuffs, and the hood.
    • Once applied, use low heat in a tumble dryer or iron in a warm setting (with a cloth between the iron and jacket) to set the treatment.

Why Early and Regular Care Matters

BEST WATERPROOF JACKETS FOR CLIMBING – FAQ

WHAT FEATURES SHOULD I PRIORITISE WHEN CHOOSING A WATERPROOF JACKET FOR CLIMBING? 🔎

Durability and mobility are key when selecting a climbing jacket. Look for articulated sleeves, gusseted underarms for unrestricted movement, and reinforced fabric in high-wear areas to withstand rock abrasion. A helmet-compatible hood, harness-friendly pocket placement, and adjustable cuffs and hems are essential features. Additionally, prioritise jackets with pit zips or ventilation options to manage heat during strenuous ascents.

SHOULD I CHOOSE A LIGHTWEIGHT OR HEAVIER WATERPROOF JACKET FOR CLIMBING? ⚖️

It depends on the type of climbing you’re doing. Lightweight jackets (300–400 grams) are great for fast and light alpine climbs where every gram counts. However, if you’re tackling technical routes or harsher conditions, a slightly heavier jacket (up to 500 grams) with reinforced areas and added features, like extra pockets and durability, is the better choice for long-term performance.

WHAT MAKES A CLIMBING JACKET DIFFERENT FROM A GENERAL WATERPROOF JACKET? 🧗‍♂️

Climbing jackets are designed with features specific to vertical adventures. These include harness-compatible pockets, helmet-compatible hoods, articulated sleeves for unrestricted movement, and reinforced areas for durability against rocks and ropes. Unlike general waterproof jackets, they prioritise mobility, breathability, and ruggedness to perform in demanding conditions.

ARE TWO-LAYER JACKETS SUITABLE FOR CLIMBING? 🔢

Two-layer jackets can work for casual climbing or shorter routes in mild weather. However, they lack the durability and breathability of three-layer options. For more technical climbs or multi-day alpine routes, a three-layer jacket offers the protection, breathability, and ruggedness needed for challenging environments.

HOW DO I CHOOSE THE RIGHT SIZE FOR A CLIMBING JACKET? đź“Ź

A climbing jacket should fit snugly but allow for layering underneath. It should also not restrict your range of motion, especially in the shoulders and arms. Test the fit with a harness and helmet to ensure the hood and pockets remain functional. Articulated sleeves and gusseted underarms can also improve mobility.

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