Waterproof membranes work thanks to tiny pores that stop water droplets but still allow steam to escape. It’s a pretty smart construction.
The difference between waterproof and water-repellent is about how the material is constructed and how it performs when it really matters. Breathability is also crucial – especially when sweating at work.
Membranes consist of a thin layer with millions of microscopic pores per square centimeter. The pores are about 20,000 times smaller than a water droplet, but still 700 times larger than a water vapor molecule.
This layer sits between the garment's outer fabric and inner fabric. The result is a barrier that keeps water out but allows moisture from the body to escape.
Layer Structure:
How good the membrane is depends on factors like abrasion resistance, flexibility, and how it holds up after washing.
Waterproof materials have a membrane that completely blocks water, often measured in millimeters of water column. Water-repellent materials, on the other hand, have a surface treatment that causes water to bead and roll off.
Waterproof garments can handle rain and high water pressure without any problems. Water-repellent works against light rain but gives up if it gets wet for a long time or the pressure increases.
Performance Comparison:
Water-repellent treatments need to be renewed quite often. Waterproof membranes retain their properties significantly longer, making them favorites for workwear in tough environments.
Breathability is measured in grams of water vapor per square meter per day (g/m²/24h). The higher the number, the better moisture is transported away from the body.
Good breathability prevents sweat from accumulating inside the clothing. This is especially important if you are working hard and your body produces a lot of heat.
Breathability Classification:
There is always a balance between waterproofness and breathability. Thinner membranes breathe better but can sometimes be a bit more sensitive to tough use.
Gore-Tex stands as the industry benchmark for waterproof and breathable membranes. It involves a special ePTFE technology where microscopic pores and chemical treatment work together.
The technology has a couple of really smart features and is also available in several variants, tailored for different needs.
The Gore-Tex membrane is made of expanded polytetrafluoroethylene (ePTFE), that is, Teflon. It provides a structure with lots of small pores – again, 20,000 times smaller than a water droplet but 700 times larger than a water vapor molecule.
This provides a triple protection:
The membrane is incredibly thin, between 0.01 and 0.02 millimeters. But it is still surprisingly durable.
The chemical structure means that the material does not stick and tolerates heat quite well. DWR treatment (Durable Water Repellent) on the outer fabric helps, so water beads off and rolls away instead of being absorbed.
Gore-Tex has several special variants for different applications.
Gore-Tex Pro is next-generation technology with an innovative ePE membrane. It is extra durable and performs well in extreme environments.
The Pro version is often seen in advanced outdoor gear and workwear for professionals.
Standard Gore-Tex uses classic ePTFE technology and is better suited for everyday use. Here, it’s about finding the balance between performance and price.
Gore-Tex Active is designed for activities where you move a lot. It is thinner and breathes better, but is not as durable.
In workwear, it is common to use Gore-Tex Pro. It withstands wear and tear, which is a must when working with tools or in rough environments.
Gore-Tex stands out thanks to its patented ePTFE technology and rigorous quality controls. Other membranes often rely on polyurethane (PU) or polyester.
Key Differences:
| Aspect | Gore-Tex | Other Membranes |
|---|---|---|
| Material | ePTFE (Teflon) | PU/polyester |
| Pore Structure | Microscopic pores | Molecular transport |
| Durability | High | Varies |
| Breathability | Consistent | Temperature-sensitive |
PU membranes often lose breathability when it gets cold. Gore-Tex retains its properties year-round, which is a significant advantage for workwear.
Every Gore-Tex product undergoes rigorous testing before it receives its label. This applies to both waterproofness, breathability, and durability.
It is not the cheapest option, but long lifespan and reliable performance often weigh heavier for professionals.
Challenges with Workwear in Nordic Climate In Sweden and the rest of the Nordic region,...
Why is rain and wind protection important for autumn workwear? Rain and wind protection in...
What is Rain Protection for Work? Rain protection for work includes specialized workwear and protective...
Portwest
Portwest
Portwest
Sealtex Classic Winter Trousers
Portwest
Portwest
Portwest
Portwest
Gore-Tex is the largest on the market, but there are alternatives like eVent, Dermizax, and Pertex Shield. They differ in terms of waterproofness, breathability, and what they are actually best at.
Gore-Tex, Dermizax, and Sympatex all deliver full waterproofness and keep the wind out. Gore-Tex uses its classic microporous PTFE membrane, so water stays out while steam can escape.
Dermizax works with a non-microporous polyurethane structure. It’s a different technology but provides roughly the same waterproofness.
eVent membranes have something they call Direct Venting technology. It offers the same waterproofness as Gore-Tex but works a bit differently inside the garment.
Pertex Shield is also completely waterproof, but the construction differs slightly.
Gore-Tex Infinium then? It is actually not completely waterproof but rather water-repellent. It is suitable when you want to prioritize wind protection and breathability, and do not need to stand out in pouring rain.
All these membranes handle the pressure from rain and moisture about equally well. What varies the most is how long they hold up when used day in and day out.
eVent is often said to outperform Gore-Tex when it comes to breathability. The direct ventilation system allows water vapor to escape without getting trapped in the membrane, thus reducing condensation inside the garment.
Gore-Tex Pro is intended for extreme conditions and outdoor activities. This membrane attempts to find the balance between durability and improved breathability compared to regular Gore-Tex.
Dermizax delivers consistent breathability thanks to its polyurethane structure. The material adapts somewhat to body temperature and how much you move, so comfort remains quite stable.
Pertex Shield is more for lightweight garments where breathability is super important. It works particularly well for workwear and protective clothing where you want both mobility and comfort.
Sympatex takes a different approach with its polyester-ether structure. It reacts to temperature and moisture to optimize breathability.
Gore-Tex is almost synonymous with outdoor activities like hiking, climbing, and skiing. It is the standard choice for technical jackets and pants.
Gore-Tex Pro targets professionals and really tough environments. Rescue services, military missions, and advanced mountaineering are typical applications.
eVent is for high-intensity activities where you sweat a lot. Running, cycling, and intense hiking benefit from the extra breathability.
Dermizax is often seen in workwear and protective clothing for industry and construction. The flexibility and durability make it suitable for physically demanding jobs.
Pertex Shield can be found in ultra-light gear and specialized protective clothing where every gram counts. Sympatex is used for both outdoor activities and technical workwear, especially when environmental friendliness is a high priority.
The lifespan of the membrane depends on many factors. The material's resistance to wear and how you take care of the garment play a significant role.
The quality of the DWR treatment and maintenance also affect the membrane's performance over time.
There is quite a difference in membrane materials when it comes to durability. Polyurethane-based membranes often do not last as long as more advanced materials like ePTFE (expanded polytetrafluoroethylene).
Gore-Tex membranes are known for withstanding mechanical stress very well. They can handle repeated bending and stretching without the micropores breaking.
This is especially important for workwear that endures a lot.
Factors Affecting Abrasion Resistance:
Quality membranes retain waterproofness even after many bending cycles. Test results show that Gore-Tex membranes often withstand over 100,000 bends without losing functionality.
Cheaper alternatives, on the other hand, may lose their properties after just 10,000–20,000 bends.
Washing and properly caring for the membrane makes a big difference for its lifespan. Dirt and oils can clog the micropores and reduce breathability.
This easily leads to condensation – something many mistake for leakage.
Wash with mild detergent, no fabric softener or bleach. High heat can damage the membrane, but low temperatures do not remove all dirt.
Recommended Maintenance Routine:
Workwear needs to be washed more often than casual wear. If you work in construction or industry, it may be good to wash the garments every three to four weeks.
DWR (Durable Water Repellent) is the first line of defense against water. When it deteriorates, the outer fabric absorbs water and breathability drops dramatically.
A good DWR causes water to bead off the surface. When the treatment wears off, water films form instead, hindering air exchange through the fabric.
This creates condensation and lowers comfort.
Signs of Deteriorated DWR:
Re-impregnation can give the membrane several extra years. Fluorinated DWR lasts the longest but is increasingly being replaced by more environmentally friendly alternatives.
The fluorine-free options need to be renewed more often but still work well for most.
Basic requirements for working in the Nordic climate Working in the Nordic climate requires careful planning of the working environment, temperature control and adaptation to weather conditions. It's about protecting...
Filip Östangård |
Overview of waterproofing technologies for garments Modern waterproofing methods rely on membranes or different types of coatings to provide proper protection. Water repellent treatments are more like a quick protection...
Filip Edvinsson |
What Does Waterproof High Visibility Ranked Mean? Waterproof high visibility ranked refers to clothing that combines weather protection, visibility, and a certain level of quality. The garment must withstand both...
Filip Östangård |
The environmental impact of waterproof membranes varies significantly depending on how they are manufactured and what materials are used.
Gore-Tex has developed a new ePE membrane that is free from PFAS chemicals, and competitors are looking for their own solutions to reduce their footprint.
Old waterproof membranes often contained PFAS chemicals (per- and polyfluoroalkyl substances) that are harmful to the environment. They do not break down naturally and can accumulate in nature.
Gore-Tex previously used PTFE, which contained such substances.
DWR treatments on the textiles' outer side have also often contained PFAS. They are necessary for the membrane to function, but they create new environmental problems.
TPU membranes (thermoplastic polyurethane) are seen as a more environmentally friendly alternative. Expanded polyethylene also requires less energy to produce.
Sympatex uses polyester-based membranes that are 100% recyclable.
The manufacturing process requires quite a bit of energy and chemicals. Water consumption varies between different techniques – some require extensive washing processes.
Gore-Tex launched its ePE membrane in 2025, completely PFAS-free. It is made from expanded polyethylene and has a smaller carbon footprint than previous versions.
They are also working on PFAS-free DWR treatments.
Sympatex has long marketed itself as the most environmentally friendly option. Their membranes are completely recyclable and do not require fluorinated chemicals.
The production is closed-loop to minimize chemical emissions.
Patagonia and other brands have developed their own PFAS-free alternatives. There is significant investment in research on bio-based membranes.
Pertex uses recycled materials in its Shield products.
Industry organizations are now pushing manufacturers to eliminate PFAS entirely by 2030. This is driving the development of sustainable membranes at quite a rapid pace.
Recycling membranes is tricky because they often have multiple layers. Sympatex membranes can, however, be chemically recycled down to their basic elements.
Gore-Tex is working on collection programs for used products.
TPU membranes can be melted down and turned into new products. Polyester-based membranes have the best recycling potential among today’s technologies.
Separating the membrane from the textile, however, requires special processes.
Bio-based membranes are now being developed from algae and mushroom mycelium. They may become biodegradable while still being waterproof.
Researchers are also testing nanocellulose for future membranes.
Circular business models are growing where manufacturers take responsibility for the entire product lifecycle. Repair programs and modular designs extend the life of garments.
Future membranes may be designed for easy recycling right from the start.
There are different membrane technologies for different activities depending on the requirements for waterproofness, breathability, and durability. Gore-Tex Pro and alternatives like Dermizax and Sympatex have their own strengths for tough weather and demanding environments.
The intensity of the activity greatly determines which membrane works best. Gore-Tex Active, for example, is suitable for running and cycling where you want maximum breathability.
Gore-Tex Pro is built for professionals and extreme conditions. It withstands more wear than standard versions and maintains performance for a long time.
eVent membranes use Direct Venting technology for continuous air circulation. Perfect where you sweat a lot.
Sympatex is a more environmentally friendly alternative without fluorocarbons. It works through chemical diffusion, not pores.
Dermizax from Toray combines good waterproofness with really high breathability.
Extreme weather requires membranes that actually hold up in terms of performance under pressure. Gore-Tex Pro can handle prolonged exposure to rain and snow without losing its edge.
Three-layer constructions perform better in tough environments than two-layer systems. The outer layer protects the membrane from wear, and the inner layer keeps the body's oils away from the surface.
When the weather turns, sealed seams and zippers become crucial. All holes and openings must be sealed properly for waterproofness to hold.
Breathability decreases at low temperatures, regardless of membrane type. Gore-Tex Infinium feels more comfortable in milder weather, but is not completely waterproof.
Hiking requires a balance between weight and performance. Gore-Tex Active or Paclite works for day trips, while Gore-Tex Pro is better for longer adventures.
| Activity | Recommended Membrane | Key Features |
|---|---|---|
| Day Hikes | Gore-Tex Active | Lightweight, good breathability |
| Longer Trips | Gore-Tex Pro | Durability, reliability |
| Alpinism | Gore-Tex Pro | For extreme conditions |
Skiing requires membranes that can handle both snow and moisture. Gore-Tex Pro and eVent are popular choices for off-piste and backcountry where the weather can change quickly.
Hunting often involves long periods of waiting mixed with sudden movement. Membranes with good ventilation like Gore-Tex Active or Sympatex are suitable when the load varies a lot.
Temperature plays a significant role. In colder climates, you can manage with lower breathability, but when it gets warm, ventilation is more important than waterproofness.
Gore-Tex dominates the market for waterproof membranes in work and protective clothing. The membrane consists of expanded polytetrafluoroethylene (ePTFE) with pores that are 20,000 times smaller than a water droplet.
Advantages of Gore-Tex:
Alternative membranes may be cheaper, but it often comes at the expense of performance. Polyurethane membranes provide basic water protection, while PVC laminates prioritize tightness but hardly breathe at all.
Workwear with Gore-Tex is particularly good for construction, logistics, and industrial workers who need weather protection but still must be able to move and work hard. Good breathability reduces the risk of overheating when the pace is high.
Key Factors When Choosing:
Maintenance makes a big difference for performance. It is not enough to just buy the right garment—regular washing keeps the membrane open and functional. This applies to all waterproof membranes, not just Gore-Tex.
Gore-Tex has become something of a technical standard for professionals where both protection and comfort are important. For less demanding jobs, cheaper alternatives may work.
Gore-Tex differs from others through its special micropore structure and long-standing dominance in the market. Alternatives like eVent and Sympatex have their own strengths, often in breathability or price.
Gore-Tex is known for its durability and long lifespan. The membrane remains waterproof even after many washes and hard use.
It is no coincidence that Gore-Tex has become the standard for tough outdoor jobs. Many workwear brands choose it precisely because it performs well in really demanding environments.
Waterproofness, windproofness, and breathability in the same package – it’s hard to beat.
eVent ventilates directly through its pores, which sometimes provides better breathability. Gore-Tex relies more on diffusion of water vapor, and that can be a bit slower at times.
Both are really tight against water. But Gore-Tex has more experience with extreme weather and has proven itself over time.
At high activity levels, eVent may feel a bit better for quick moisture transport, but Gore-Tex delivers consistent performance over a longer time and more applications.
Small damages to Gore-Tex can be repaired with special tapes or sealants. But large damages are difficult to fix completely and often require professional help or replacement.
After a repair, it is rarely as good as new. The repaired area may have reduced breathability or lose some durability.
For workwear with safety requirements, repairs can also affect certifications. It’s good to double-check if the garment is still approved after repair.
Gore-Tex traditionally contains PFAS chemicals that do not break down in nature. The company is working on better alternatives, but it is slow progress.
Sympatex is marketed as a more environmentally friendly alternative. It is recyclable, PFAS-free, and based on polyester that can be recycled in a closed loop.
Lifespan matters here. A Gore-Tex garment that lasts a long time can in some cases offset the chemical content, as you don’t have to replace it as often.
Wash regularly with mild detergent, avoiding fabric softeners. High heat in the dryer reactivates the water-repellent surface, which is important for breathability.
There are special Gore-Tex detergents that clean effectively without damaging the membrane. Regular detergents with bleach or softeners can ruin the properties.
Don’t forget to renew the DWR impregnation (Durable Water Repellent) occasionally, especially if you wash often or use the garment hard.
Sympatex is a budget-friendly alternative that works well for everyday use and when extreme performance is not needed. It is often used in workwear where the best is not required.
Several manufacturers have their own membrane technologies, such as Merrell Waterproof. These solutions provide decent protection at a lower cost.
H2O-proof membranes from lesser-known brands can sometimes deliver 70-80% of Gore-Tex performance, but at about half the price. For many workplaces, that level often feels sufficient.
The information on this page is intended as general guidance only and does not replace manufacturer instructions or applicable regulations. Workwise does not guarantee that the content is accurate, complete, or current and is not liable for decisions or actions taken based on this information. Always follow current standards and manufacturer instructions.