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GORE-TEX
The original and one of the most trusted waterproof membranes. Used by many brands like Arc’teryx, Mountain Equipment and Salomon.
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Introduction
Have you found yourself lost on which jacket is actually waterproof while trying to decipher what breathability ratings and hydrostatic heads even are? With so many options on the market, it can be difficult to pinpoint which is right for you.
To help you navigate the wide world of waterproof jackets, we created this guide to help you break down the jargon and identify what features to look for.
What makes a jacket waterproof?
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What is a hydrostatic head
A hydrostatic head rating is a measure of how waterproof a fabric is. It tests how much water pressure the fabric can withstand before it starts to leak. The higher the rating, the greater the waterproof ability.
As a general guide:
Below 1,500mm water-resistant, suitable for light showers.
1,500–5,000mm is good for light to moderate showers for a couple of hours.
10,000–20,000mm is ideal for heavy rain for extended periods.
20,000mm+ designed for extreme weather conditions.
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Waterproof vs water resistant
Waterproof and water-resistant materials differ in their ability to repel water.
Waterproof jackets use membranes, coatings and sealed seams to keep the rain out.
Water-resistant jackets have DWR finish. They're fine for light showers but will eventually allow water to seep in.
As a quick check, if you see taped seams and a hydrostatic head rating, it's waterproof.
Key features in a waterproof jacket to look out for
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How should a waterproof jacket fit?
The fit of your waterproof jacket will depend on what activity it is intended for.
For high-energy activities such as trail running, you will want a lower volume and more athletic cut to minimise weight and excess fabric.
For hiking, you will want a slightly more generous fit for freedom of movement and extra layers. Some jackets may have a longer body for better coverage or a more ergonomic design that is longer in the back to not hinder leg movements.
Climbing and mountaineering jackets tend to have a tapered body with higher volume around the chest and shoulder area for full freedom of movement. They tend to have a lower volume and a more fitted design around the hips to reduce bulk while wearing a harness.
Popular waterproof technologies
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Walking & hiking picks
Look for: comfortable & relaxed fit
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Trail running picks
Look for: ultralight & packable
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Climbing & mountaineering picks
Look for: durability & reinforced areas
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More guides
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