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Activity zone 4F
In this zone, your heart rate rises at the mere thought of the next workout. You'll find the best ways to exercise effectively, discover new disciplines, and choose an outfit that suits your needs. We'll also guide you through the clothing care process and advise what to buy for enthusiasts of various sports. Our blog is a guide for everyone who wants to feel motivation 4 times more!
Published: 2/6/2025💡 Tips|🔬 Technologies
What is the NeoDry membrane in technical apparel, and what are its functions?
Choosing the right technical clothing is crucial for comfort and protection during outdoor activities. One of the most important elements that determines the functionality of a jacket or trousers is the membrane. It allows us to feel comfortable regardless of the weather conditions or the intensity of the effort. In this article we explain what a membrane is, how it works, its parameters and how to select one to suit your needs. Read on and find out how to properly prepare for any adventure!
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Particular parameters, their functions and selecting them according to activity type
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How to choose the right membrane for your needs: a guide for every user
In this article:
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The NeoDry membrane is a technology used in 4F clothing that protects against external moisture while wicking sweat away.
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The key parameters of the membrane are water resistance (measured in millimetres of water column) and breathability (measured in grams of water vapour per m²/24h).
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The choice of membrane depends on the planned activity and weather conditions.
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The right choice of membrane is the key to comfort and safety while enjoying outdoor activities.
Short summary:
The 4F NeoDry membrane is a key component of our technical apparel, providing protection from external moisture while ensuring that moisture is wicked away from the inside of the garment. NeoDry: what does it mean? In practice, this means that the membrane protects against rain, snow and wind and at the same time allows the skin to breathe. Therefore, membrane apparel is the perfect choice for active people who want to feel comfortable even in difficult weather conditions.
The history of membranes in technical clothing dates back to the 1970s. Back then, the first products using microporous materials were introduced. The first membranes were mainly used in clothing for mountaineers and the military, where protection against extreme conditions was crucial. Over time, the technology has become popular among many outdoor and winter sports enthusiasts. Today's membranes are more advanced and combine low weight, durability and high functionality, making them a must-have item of clothing for demanding users.
NeoDry membrane — what is it? It is a thin layer of technical material that has microscopic pores that are small enough not to allow liquid water molecules to pass through, yet large enough to wick away moisture from the body.
Waterproof and breathable: what does it mean?
The key parameters of the membrane are its waterproofness and breathability, measured respectively in millimetres of water column (mm H₂O) and grams of water vapour wicked away by a square metre of fabric in 24 hours (g/m²/24h). Waterproofness indicates how much water a fabric can repel before it starts to let moisture through. Breathability, on the other hand, determines how effectively the membrane wicks sweat away.
Let’s say it’s a rainy day. When walking around in a jacket with high water resistance, you can be sure that rain will not penetrate the material, even if you are waiting for a long time at a bus stop. On the other hand, during intensive trekking in the mountains, breathability is key. When your body is producing a lot of heat and sweat, a good membrane will prevent you from feeling dampness on your body and ensures 100% comfort of movement. It is the choice of these two parameters that makes the garment work effectively in a variety of situations, keeping you dry and comfortable.
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Particular parameters, their functions and selecting them according to activity type
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A membrane with 5K/3K rating protects against light rain or snowfall. For example, the 4F NeoDry 5000 jacket provides comfort during everyday activities such as walks in the park, recreational skiing or easy hikes in moderate weather conditions.
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A membrane with 8K/5K rating works well in moderate rain or snow. It will be perfect for trekking in lower mountain ranges, recreational skiing on marked pistes and cycling in colder weather.
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A membrane with 10K/8K rating protects against moderate rainfall. For example, the 4F NeoDry 10000 jacket is perfect for high-intensity activities such as ski touring, snowboarding in deep snow or intense hiking in difficult terrain.
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A membrane with 15K/10K rating is resistant to harsh weather conditions, including heavy rainfall and strong wind. It works perfectly during long mountain expeditions, ice climbing and intensive winter activities such as freeride and competitive ski touring.
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A membrane with 20K/15K rating and the 20K/40K one with enhanced breathability have been developed for extreme conditions such as downpours and snowstorms. It provides maximum comfort during intensive activities such as alpine climbing, cross-country skiing in extreme conditions or multi-day polar expeditions.
How to choose the right membrane for your needs: a guide for every user
Choosing the right 4F NeoDry membrane in technical apparel depends on the planned activity, weather conditions, and individual needs.
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If you are looking for a jacket or trousers for everyday walks or easy hikes, a membrane with lower ratings such as 5K/3K will suffice.
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For moderate exertion in variable conditions, a membrane with 8K/5K or 10K/8K rating would be a better choice, as it provides better protection and breathability.
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For intensive activities in extreme conditions, such as mountain expeditions or ski touring, it’s worth going for membranes with a 15K/10K or even 20K/15K and 20K/40K ratings.
Remember to always choose clothing depending on activity type and expected conditions. This way, you will get the most out of the membrane, enjoying comfort and protection regardless of the circumstances. The right membrane is an investment in your safety and comfort during any outdoor adventure!
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