The UK’s weather is notoriously unpredictable, making a good waterproof jacket an essential piece of kit. Whether you’re navigating city streets out for a few beers, hiking in the Lake District or Highlands of Scotland, or braving a coastal storm, the right jacket will keep you dry and comfortable.
Before we get into the nuts and bolts, let’s cover the basics!
What Is A Waterproof Jacket?
Ah, the elusive “waterproof jacket.” A concept so simple, yet so often misunderstood by the common folk. Let’s delve into this profound mystery, shall we?
Behold, the waterproof jacket: a garment, nay, a shield, designed to protect you from the relentless tyranny of the British drizzle (and, for us Scots, this is often something resembling a biblical deluge).
Imagine, if you will, a world where water simply bounces off your person. A world where you can stroll through a downpour, a smug grin plastered across your face, while your fellow citizens cower beneath flimsy umbrellas, their shoulders sagging with the weight of sodden misery.
This, dear readers, is the promise of the waterproof jacket. A technological marvel, crafted from fabrics so advanced that they defy the very laws of nature. It’s a personal force field against the elements, a portable fortress of dryness.
Of course, not all waterproof jackets are created equal. Some are mere pretenders, offering the illusion of protection before surrendering to the first raindrop. Others, the true champions of dryness, stand resolute against the onslaught, their wearers emerging from the storm like triumphant deities.
So, the next time you find yourself facing the wrath of the heavens, remember the waterproof jacket. It’s not just a piece of clothing; it’s a statement. A declaration that you, dear reader, refuse to be at the mercy of the weather gods. Ok, now we are all on the same page, let’s get after it.

Bestoutdoors.co.uk Comprehensive Waterproof Jacket Buyer’s Guide (UK Edition)
This guide will help you navigate the jargon, understand the features, and find and choose the perfect waterproof jacket for your needs. Ok, let’s get started.
There is lots of information in this guide, but if you just want the highlights I have condensed everything below into a concise “Check System” for buying a waterproof jacket:
Waterproof Jacket Check System: Your Quick UK Guide
Define Your Needs:
- Determine the primary activity (city commuting, hiking, mountaineering) to match the jacket’s features and style.
- Consider the level of weather protection needed based on your activity.
Understand the Jargon:
- Waterproof Membrane: The core technology (e.g., Gore-Tex, eVent) that blocks water while allowing breathability.
- DWR (Durable Water Repellent): A surface treatment that makes water bead off the fabric.
- Layer System: Base, mid, and outer layers for adaptable comfort.
- 2-Layer, 2.5-Layer, 3-Layer: Construction types affecting durability and weight.
- Pit Zips: Underarm zippers for ventilation.
- Taped Seams: Sealed seams to prevent leaks.
- Hydrostatic Head: Waterproof rating in mm (10,000mm+ recommended for UK).
- MVTR: Breathability rating in g/m²/24hr (15,000g/m²/24hr+ recommended for active use).
Check Key Features:
- Waterproof Rating:
- Breathability Rating:
- DWR:
- Taped Seams:
- Hood:
- Zippers:
- Ventilation:
- Adjustability:
- Pockets:
- Fit:
- Materials:
Fit and Functionality:
- Test the jacket with typical layers and gear (gloves, backpack, harness).
- Check hood adjustability, zipper operation, and pocket accessibility.
- Ensure the torso length is correct for your activity and body type.
- Adjust drawstrings and velcro tabs to achieve a custom fit.
Membrane and DWR Maintenance:
- Understand the differences between proprietary and branded membranes.
- Regularly clean and reapply DWR using appropriate products (Nikwax, Grangers).
- Choose PFC-free products for environmental sustainability.
Real-World Testing:
- Move around in the jacket to ensure comfort and freedom of movement.
- Test zipper and toggle operability with gloves on.
In essence, prioritise a balance of waterproofness, breathability, durability, and fit based on your intended activities and the UK’s variable weather.

1. What Will You Use Your Jacket For? (Matching Function to Activity)
Before we choose a waterproof, this is the foundational question we need to ask. Why? Because different activities demand different jacket types and different features and technology:
Everyday Use/City Commuting:
- Focus: Style, practicality, and moderate waterproofness.
- Styles: Lightweight waterproof shells, parkas, trench coats with waterproof membranes.
- Features: Detachable hoods, ample pockets, smart appearance.
- Considerations: Breathability is less critical than a stylish, comfortable fit.
Hiking/Trekking/Hill Walking:
- Focus: Weather protection, breathability, and freedom of movement.
- Styles: Technical shells, 2.5-layer or 3-layer jackets.
- Features: Adjustable hoods (helmet-compatible if needed), pit zips for ventilation, articulated sleeves, secure pockets (accessible with a backpack).
- Considerations: Durability, packability, and compatibility with layering systems.
Mountaineering/Climbing/Winter Activities:
- Focus: Maximum weather protection, durability, and compatibility with technical gear.
- Styles: Heavy-duty 3-layer shells, insulated waterproof jackets.
- Features: Reinforced construction, durable zippers, helmet-compatible hoods, internal snow skirts, harness-compatible pockets.
- Considerations: Weight, bulk, and ability to withstand extreme conditions.

2. Decoding the Waterproof Gear Jargon:
Yes, we agree there is a lot of crazy jargon, and a lot of it is fluff, but understanding the terminology is crucial for the buyer to understand before purchasing a new jacket.
Waterproof Membrane:
Examples: Gore-Tex, eVent, Pertex Shield, proprietary brands.
Function: Prevents water ingress while allowing moisture vapour to escape.
Explanation: This is the core technology that makes a jacket waterproof and breathable.
DWR (Durable Water Repellent):
Explanation: DWR is a surface treatment that causes water to bead and roll off the fabric.
Importance: DWR enhances waterproofness and prevents the fabric from becoming saturated, but it wears off over time and requires reapplication.
Layer System:
Explanation: Base layer (moisture-wicking), mid-layer (insulation), and outer layer (waterproof/windproof).
Importance: Understanding layering allows for adaptable comfort in varying conditions.
2-Layer, 2.5-Layer, and 3-Layer Construction:
2-Layer: Membrane bonded to the face fabric, with a separate liner for comfort. The Everyday Jacket.
2.5-Layer: Membrane bonded to the face fabric, with a printed or sprayed-on protective layer instead of a full liner. The Lightweight Hiker
3-Layer: Membrane bonded between the face fabric and a backer fabric, creating a single, durable layer.
Explanation: 3 layer is the most durable, and often most expensive. 2.5 is a good balance between weight, cost and durability. The Mountain Professional.
Pit Zips:
Function: Zippers under the arms for ventilation.
Explanation: Essential for regulating temperature during high-intensity activities.
Taped Seams:
Function: Waterproof tape applied to the inside of seams to prevent water leakage.
Explanation: Without taped seams, water will penetrate the stitching.

3. Waterproof Ratings, Materials, and What Matters:
Waterproof Ratings (Hydrostatic Head):
Measured in millimetres (mm). A rating of 10,000mm is considered highly waterproof.
Explanation: Higher ratings indicate greater resistance to water pressure. UK weather often demands a rating of 10,000mm or higher.
How Waterproof Is Your Jacket?
Think of waterproof ratings like this: they tell you how much rain your jacket can handle.
5,000mm:
This is the bare minimum.
It’ll keep you dry in a light sprinkle, but not much else.
10,000mm to 15,000mm:
This is good for most rainy days, even heavy ones.
It’ll handle downpours and snow, but if you’re in really heavy rain for a long time, or if you put a lot of pressure on it (like from a heavy backpack), it might eventually let some water through.
20,000mm and up:
This is your “all-day, any weather” jacket.
It’s designed for serious rain, snow, and anything else Mother Nature throws at you, even if you’re carrying a heavy backpack. It is the most robust rating.
Materials:
Nylon and polyester are common face fabrics. Ripstop fabrics offer increased durability.
Explanation: The face fabric’s durability is very important. The face fabric is the first line of defence against the elements. It’s the outermost textile layer of a multi-layered waterproof jacket.
Its primary function is to protect the underlying waterproof membrane from abrasion and damage.
What Matters Most:
For the UK, focus on a jacket that balances waterproofness, breathability, and durability. Consider the specific activities you’ll be doing and choose a jacket with the appropriate features. Don’t just look at waterproof ratings, breathability is just as important for comfort.

4. Waterproof And Breathable Materials And Technologies.
There are a lot of big brand names in the adventure jacket space, and when it comes to waterproof/breathable technology, one word is widely used “Gore Tex”. Geek fact, this is a proprietary eponym i.e. in most cases, when folks say Gore Tex, they are referring to the brands own membrane or the water proof ness. A proprietary eponym describes a brand name that has become the common name for a product or service. Example: “Hoover” for vacuum cleaners, “Kleenex” for facial tissues, or “Band-Aid” for adhesive bandages. “Gore Tex” for waterproof membranes/fabrics. I digress, it is good to know the underlining technology and why it is required.
Waterproof Membranes:
Examples: Gore-Tex, eVent, Pertex Shield, proprietary brands.
Function: Prevents water ingress while allowing moisture vapour to escape.
Explanation: This is the core technology that makes a jacket waterproof and breathable.
Proprietary vs. Branded Membranes:
Many brands use their own proprietary membranes, which can offer good performance. However, the main brand is Gore-Tex, they have established a strong reputation for consistent and reliable performance. Here’s a list of notable waterproof and breathable membrane technologies.
eVent:
- Technology: Direct venting membrane.
- Brand: Originally BHA Technologies, now owned by Pertex.
- Key Feature: Known for its excellent breathability due to its direct venting system.
Pertex Shield:
- Technology: Various membrane and coating technologies.
- Brand: Pertex.
- Key Feature: Offers a range of waterproof and breathable solutions for different activities, from lightweight to robust.
RevolutionRace: Hypershell® Pro Membrane Technology
- Technology: Proprietary membrane and fabric technologies with varying levels of water resistance and breathability.
- Brand: RevolutionRace.
- Key Feature: Offers a range of waterproof and breathable solutions at a value-oriented price point, with varying levels of performance across product lines.
Polartec NeoShell:
- Technology: Air permeable membrane.
- Brand: Polartec.
- Key Feature: Designed to provide a balance of waterproofness and high air permeability for enhanced breathability.
Columbia OutDry Extreme:
- Technology: Membrane on the outside of the fabric.
- Brand: Columbia Sportswear.
- Key Feature: Unique external membrane construction, eliminating the need for a DWR treatment on the outer fabric.
The North Face Futurelight:
- Technology: Nanospun membrane.
- Brand: The North Face.
- Key Feature: Uses nanospinning technology to create a highly breathable and waterproof membrane.
Berghaus Hydroshell:
- Technology: Proprietary membrane.
- Brand: Berghaus.
- Key Feature: Designed to provide reliable waterproof and breathable performance for various outdoor activities.
Rab Proflex:
- Technology: Proprietary membrane.
- Brand: Rab.
- Key Feature: Designed for high levels of movement, and high levels of breathability.
Helly Hansen Helly Tech:
- Technology: Proprietary membrane and coating technologies.
- Brand: Helly Hansen.
- Key Feature: A range of waterproof and breathable solutions tailored for different activities, particularly sailing and professional workwear.
Mountain Equipment Drilite:
- Technology: Proprietary membrane.
- Brand: Mountain Equipment.
- Key Feature: Designed to be light weight, and reliable.
Paramo:
Paramo is a company that uses a different system. Instead of a membrane, they use a pump system that pushes water outwards using capillary action. It is very good for cold wet conditions, but can be too warm for high exertion in warmer conditions.
DWR (Durable Water Repellent):
DWR is a surface treatment that causes water to bead and roll off the fabric. We love looking at water beading, almost therapeutic. DWR enhances waterproofness and prevents the fabric from becoming saturated, but it wears off over time and requires reapplication.
The importance of preventing a waterproof jacket from becoming saturated, or “wetting out,” goes beyond simply staying dry. Here’s a breakdown of why it matters:
Maintaining Breathability:
Waterproof jackets rely on breathable membranes to allow sweat vapor to escape. When the outer fabric becomes saturated, it blocks these pores, hindering the escape of moisture. This leads to a build-up of sweat inside the jacket, creating a clammy and uncomfortable feeling.
Preventing Chill:
A saturated fabric conducts heat away from your body much faster than a dry one. This can lead to a significant drop in body temperature, especially in cold and windy conditions, increasing the risk of hypothermia.
Optimising Performance:
A dry outer layer allows the waterproof membrane to function optimally. When the DWR is working effectively, water beads up and rolls off, preventing the fabric from becoming heavy and waterlogged. This ensures that the jacket remains lightweight and comfortable to wear.
Comfort:
A saturated outer layer makes the jacket feel heavy, and clammy. This reduces the comfort of the jacket.
In essence, a well-maintained DWR is crucial for maximising the performance and comfort of your waterproof jacket. It allows the jacket to breathe effectively, maintain its insulating properties, and keep you dry and comfortable in wet conditions.
DWR Maintenance:
Regardless of the membrane technology, DWR treatments are essential for maintaining water repellency. Regularly reapplying DWR is crucial for optimal performance.
Here are some recommended DWR sprays, wash-in repair products, and brands available in the UK:
DWR Sprays:
Nikwax TX.Direct Spray-On:
- A very popular and reliable choice.
- Water-based and environmentally friendly (PFC-free).
- Easy to apply and effective on various fabrics.
- Widely available in outdoor stores and online.
Grangers Performance Repel Plus:
- Another well-regarded option.
- Provides a durable water-repellent finish.
- Also PFC-free.
- Easy to use spray on application.
Fibertec Textile Guard Pro:
- A high performance spray, that is designed to last a long time.
- Good for high wear items.
Wash-In DWR Treatments:
Nikwax TX.Direct Wash-In:
- Ideal for treating entire garments at once.
- Effective for restoring DWR to breathable waterproof fabrics.
- Easy to use in a washing machine.
Grangers Performance Wash + Repel:
- A 2 in 1 product, that both cleans and reproofs your waterproof clothing.
- This is a very easy to use product.
Wash-In Cleaners:
Nikwax Tech Wash:
- Specifically designed for cleaning technical fabrics without damaging their waterproof properties. Essential for maintaining the effectiveness of DWR treatments.
Grangers Performance Wash:
- A very good cleaner, that is designed to clean technical out door clothing.
Key Considerations:
- PFC-Free: Look for products that are free from perfluorinated chemicals (PFCs), which are harmful to the environment. Nikwax and Grangers are generally good choices in this regard.
- Application: Follow the manufacturer’s instructions carefully for best results.
- Fabric Compatibility: Check that the product is suitable for the type of fabric you’re treating.
- Regular Maintenance: DWR treatments wear off over time, so regular reapplication is essential.
- Cleaning First: Always clean your waterproof garment with a technical wash before applying a DWR treatment. Dirt and oils can impair the effectiveness of DWR.
- Heat Activation: Many DWR treatments benefit from heat activation, which can be done by tumble drying on a low setting or ironing on a low heat (check the garment’s care label).
Taped Seams:
Function: Waterproof tape applied to the inside of seams to prevent water leakage.
Explanation: Without taped seams, water will penetrate the stitching.
Taped seams are a critical component of waterproof garments, ensuring that even the tiny holes created by stitching are effectively sealed.
When a waterproof jacket is made, the fabric is sewn together. Sewing creates tiny holes where the needle went through, and water can get in through these holes. To stop this, a special waterproof tape is stuck over all the seams on the inside of the jacket. This tape blocks the holes and makes sure water can’t leak in. Good taped seams are strong and flexible, so they move with the jacket and don’t peel off. Basically, taped seams are what keep the water out where the jacket has been stitched together. Embroidered logos should also be taped.

5. Breathability And Ventilation: Breathable Materials And Technologies.
Breathable Materials:
Look for jackets with Gore-Tex, eVent, or other breathable membranes.
Breathability Rating Of Waterproof Fabrics
When evaluating a waterproof jacket, understanding breathability is just as important as waterproofing. Here’s a breakdown of Moisture Vapour Transmission Rate (MVTR):
What it is:
MVTR measures how much moisture vapor can pass through a square meter of fabric in 24 hours. It’s expressed in grams per square meter per 24 hours (g/m²/24hr).
What it means:
A higher MVTR rating indicates better breathability, meaning the fabric allows more sweat vapor to escape. This is crucial for staying comfortable during physical activity, as it prevents sweat from building up inside the jacket.
Key considerations:
There are various testing methods for MVTR, which can lead to slightly different results. Therefore, it’s essential to consider MVTR ratings as a general guideline rather than an absolute measure. Generally speaking, a rating of 20,000g/m²/24hr is considered a very good rating.
How Well Does Your Jacket Let Sweat Escape?
Breathability ratings tell you how well your jacket lets sweat vapor out, so you don’t get clammy inside.
5,000 – 10,000g/m²: This is okay for casual use, like walking around town or easy camping. If you start doing anything active, like hiking uphill, you’ll probably feel sweaty.
10,000 – 15,000g/m²: This is good for moderate activities, like light hiking or exploring. It might not be enough if you’re running, climbing, or doing really strenuous uphill hikes.
15,000 – 20,000g/m² and up: This is for serious activity. It’ll keep you comfortable during long hikes in the hills, trekking in hot weather, or any activity where you sweat a lot.
Why it matters:
Breathability is vital for preventing that clammy feeling inside a waterproof jacket. It helps regulate body temperature and keeps you comfortable, especially during strenuous activities.
In essence, MVTR helps you gauge how well a jacket will handle moisture from your own perspiration, complementing the waterproof rating that protects you from external rain.
Ventilation:
Pit zips are essential for venting excess heat and moisture. Look for mesh-lined pockets that can also provide ventilation.

6. Real-World Functionality: Accessing Pockets, Zips, and Toggles:
Outdoors kit should be functional and practical. Mother nature does not give out points for style. Here are some tips for making sure your waterproofs are fit for purpose before they are ever tested by the rain.
Layering Test:
Wear your typical mid-layer and try on the jacket. Ensure movement is not restricted.
Glove Test:
If wearing gloves are a key part of your kit, then check the zippers and toggles are easy to operate with your gloves of choice, and don’t forget to try these with cold hands too.
Rucksack Compatibility:
Put on your backpack/rucksack and check that pockets remain accessible. Ensure that shoulder straps don’t interfere with zippers or ventilation.
Harness Compatibility:
If you climb put on your harness and check that the jacket works for your setup. Good options are high pockets, two way zipper, short torso cut, pit zips.
Hood Adjustment:
Test the hood’s adjustability with and without a hat or helmet. Ensure that it provides adequate coverage and doesn’t obstruct your vision.
Zip Quality:
Test the zips, ensure they are smooth, and that storm flaps cover them correctly. YKK zips are the gold standard.

7. Waterproof Jacket Fit and Adjustability:
Fit:
Consider your body type and the intended use of the jacket. Ensure that there’s enough room for layering without being overly baggy.
Drawstrings and Velcro Tabs:
Customisable Fit:
Drawstrings at the hem, waist, and hood allow you to fine-tune the jacket’s fit, preventing drafts and keeping out rain. Velcro tabs at the cuffs enable you to seal the sleeves, preventing water from running up your arms.
Enhanced Weather Protection:
Properly adjusted drawstrings and Velcro tabs create a secure seal, maximising the jacket’s weather protection. This is especially important in windy conditions, as it prevents wind from penetrating the jacket.
Comfort and Functionality:
Adjustable features allow you to customise the jacket’s fit for different activities and layering systems. Ensure that drawstrings and Velcro tabs are easy to operate with gloves on.
Key areas of adjustment
Hood Adjustment: adjust the volume and the face opening of the hood.
Hem Adjustment: Stops drafts from coming up from underneath the jacket.
Cuff Adjustment: Stops water and wind from entering the sleeves.
Waist adjustment: some jackets have internal or external waist drawstrings, to give a more tailored fit.
Torso Length:
Importance:
Torso length is a critical aspect of jacket fit, often overlooked. A jacket that’s too short will ride up, exposing your lower back, especially during activities like hiking or cycling.
Conversely, a jacket that’s too long can bunch up, restrict movement, or interfere with a climbing harness.
Finding the Right Fit:
Measure your torso length from the base of your neck to your hip bone.
Check the brand’s size chart for torso length measurements.
When trying on a jacket, raise your arms and bend at the waist to ensure adequate coverage.
If you are wearing a climbing harness, a shorter torso length is often preferred.
Body Type:
Consider your build when choosing a size.
Some brands offer specific fits for men and women.
If you have a larger chest, ensure the chest area has sufficient room.
Plus-Size Waterproof Jackets:
Finding the Right Fit:
Look for brands that offer extended sizing and specific plus-size cuts.
Pay close attention to size charts, as sizing can vary significantly between brands.
Consider the jacket’s cut and construction. Some plus-size jackets are simply larger versions of standard sizes, which may not provide the optimal fit.
Look for jackets with adjustable features, such as drawstrings and Velcro tabs, to fine-tune the fit.
Brand Availability:
Many outdoor brands are now offering extended sizing, but availability can vary. Specialty retailers may offer a wider selection of plus-size outdoor clothing.

8. Finding the Right Fit for Your Activity and Body Type:
Activity-Specific Cut:
Hiking jackets tend to have a longer cut for better coverage.
Mountaineering jackets are cut to allow for harness use.
Climbing jackets are often shorter.

9. Summary Of Key Waterproof Jacket Features
Here’s a list of the key features to look for in a good waterproof jacket:
Waterproof Membrane:
A reliable membrane (e.g., Gore-Tex, eVent, proprietary brand) that prevents water penetration.
High Waterproof Rating:
A rating of 10,000mm or higher for reliable protection in most UK weather.
Good Breathability Rating:
A rating of 15,000g/m²/24hr or higher for active use.
Durable Water Repellent (DWR) Finish:
A treatment that causes water to bead and roll off the fabric.
Taped Seams:
Seams sealed with waterproof tape to prevent leaks.
Adjustable Hood:
A hood that fits comfortably and provides good coverage, ideally helmet-compatible for climbing.
Robust Zippers:
Water-resistant or waterproof zippers with storm flaps.
Pit Zips (Ventilation):
Zippers under the arms for ventilation during activity.
Adjustable Cuffs (Velcro Tabs):
Cuffs that can be tightened to seal out water and wind.
Adjustable Hem (Drawstring):
A hem that can be tightened to prevent drafts.
Well-Placed Pockets:
Pockets that are accessible, even when wearing a backpack or harness.
Articulated Sleeves:
Sleeves designed for freedom of movement.
Appropriate Length:
Length suitable for the intended activity (e.g., shorter for climbing, longer for hiking).
Durable Face Fabric:
A robust outer fabric such as ripstop nylon or polyester.
Good Fit:
A comfortable fit that allows for layering without being too bulky.
Conclusion of waterproof jacket buying guide:
Choosing the right waterproof jacket is an investment in your comfort and safety. By understanding the features, materials, and fit considerations, you can find a jacket that will keep you dry and comfortable in any weather. Happy adventuring!
Read our Waterproof Jacket reviews (More coming soon)
- Sprayway Arderin Gore Tex Jacket Review
- Revolutionrace Arcade 3L Lightweight Waterproof Jacket Review


