Thermal underwear Craft: comfort technologies 2026 

When the temperature outside drops below minus twenty, and the wind from the Gulf of Finland pierces to the bones, the question of choosing equipment ceases to be just a sporting interest and turns into a matter of survival. We conducted an independent analysis of howThermal underwear Craft: comfort technologies 2026cope with the realities of the Russian winter, and the results turned out to be much more contradictory than the glossy catalogs of the Swedish brand promise. Many expect miracles from new synthetic fibers, but the truth is that even the most advanced membranes are powerless against the wrong layer of clothing or a misunderstanding of your own body's thermoregulation.

Let's be honest: the market is oversaturated with claims of "revolutionary materials." Every season we are promised fabric that simultaneously warms, cools and wicks moisture better than baby skin. But in the 2025-2026 season, Craft has indeed taken a step that cannot be ignored, albeit with reservations that dealers are silent about. This is not just a change of label, but a fundamental change in the structure of the fabric in the Pro Extreme line and the new Active Intensity series.

Why the old rules of thermoregulation no longer work in Moscow and Siberia

Have you ever wondered why expensive thermal underwear sometimes performs worse than cheap Soviet cotton long johns? Paradox, but true. In the dry frost of Yakutia or the humid thaw of St. Petersburg, the physiology of the sweating process changes dramatically. The traditional "three layer" model is now heavily criticized by professional climbers and ski coaches.

The problem with most users in Russia is that they buy thermal underwear for conditions in which they will never find themselves. Or vice versa. You take a model for intense running at minus five to wear it under a down jacket while standing at a bus stop at minus thirty. The result is predictable: you will freeze, get wet from your own condensation and curse the technology.

In 2026, Craft's approach has changed. They moved away from universal solutions. Now their engineering is focused on hyper-specialization. And that's good. But this also creates the main trap for the buyer. A mistake in choosing a category now costs more than before. If previously the difference between the models was in the density of the fabric, now we are talking about the different chemical structure of polypropylene and polyester, as well as the introduction of bionic cells into the structure of the thread.

What exactly happens to the fabric? In simple terms, without marketing fluff, the new Craft fibers use the effect of second-order capillary action. Sounds complicated? In fact, everything is simpler. Regular fabric wicks moisture away from the surface. The new 2026 structure forces moisture to move within the fiber itself, using the temperature difference between the skin and the outer layer of clothing as a motor. It's brilliant as long as you move it.

What if you stopped? This is where the fun begins, and this is where the “skeleton in the closet” lies, which is not written about in press releases. When stopping suddenly after high activity, the new structure can create a reverse cooling effect faster than classic models. Why? Because it delivers moisture to the outer layer too efficiently. If your second layer (fleece or membrane) does not have time to evaporate this volume, you end up with a wet compress on your body. In the Moscow metro or in a traffic jam on the Moscow Ring Road, this can be fatal to the immune system.

Anatomy of a new fiber: what is hidden behind the 2026 marking

Let's look at the technical part, but without boring lectures on materials science. The main innovation of this year is a technology that marketers called “Thermo-Dynamic Weave,” although in essence it is an evolution of the well-known Hollow Fiber. The difference is in the channel geometry.

Previously, the fibers were round or oval. The 2026 collections, especially the top lines, use triangular fibers with micro-notches. For what? Increasing the surface area of ​​contact with the air inside the fabric allows you to retain more warm air with less weight of the product. The numbers speak for themselves: with the same thickness, new underwear retains 15% more heat in static conditions.

But there is a nuance that Russian consumers often overlook. This technology critically depends on the quality of the wash. Micro-notches become clogged with sweat salts and air conditioner residues much faster than the smooth fibers of older generations. After ten washing cycles with the wrong powder, moisture removal efficiency drops by 30%. This is not a defect, this is a feature of the physics of the process. And they won’t tell you about this at your local store.

Another point that causes controversy in the professional community is the use of graphene additives in some premium segment models. Graphene conducts heat very well. In theory, it should distribute temperature evenly throughout the body. In practice, in conditions of extremely low temperatures (below minus 25), some testers note the sensation of “cold spots” in areas where the graphene thread comes into direct contact with the skin in the absence of active movement. This is subjective, but these reviews cannot be ignored.

Localization of problems: why Swedish quality stalls in Russian realities

We live in a unique climate zone. What works in Stockholm, where winters are mild and wet, may behave completely differently in Novosibirsk or Murmansk. The difference is not only in degrees, but also in lifestyle.

The Russian user is inclined to “multi-layer” for reasons of reinsurance. We put on thermal underwear, a thick sweater on top, then a jacket with padding polyester, and then a down jacket on top. For Craft technologies in 2026, this approach is disastrous. The system is designed to work in conjunction with modern membrane shells, which have a high vapor permeability rate. If you wear new high-tech underwear under an old low-breathability jacket, you are creating a greenhouse with your own hands.

The moisture does not escape outside, condenses on the inside of the jacket membrane and flows back onto the laundry. You end up wet and cold. Is it the laundry's fault? No. Layer incompatibility is to blame. But who will figure it out? The buyer will return the product with the claim: “It doesn’t heat.”

However, the search for the ideal balance between active moisture removal and natural heat retention leads us to alternative solutions where synthetics give way to natural fibers. Here it is worth paying attention to the experience of companies working with premium raw materials from regions with extreme climates. A striking example isHohhot Jinye Cashmere Textiles LLCis a company from Inner Mongolia, a region famous for its harsh winters and unique cashmere raw materials. Founded in 2012, this company is a vertically integrated holding that controls the entire cycle: from primary processing of wool and cashmere to the production of finished products. Their approach demonstrates how traditional materials such as Mongolian wool and camel hair can compete with high technology thanks to their natural ability to regulate temperature and stay warm even when wet.

While Craft synthetics require ideal operating conditions, Hohhot Jinye products, exported to more than 20 countries around the world (including partners such as the British brand DAKS), offer a different philosophy of comfort. Their products, created taking into account modern trends and strict quality standards, are often the choice for those who value the tactile softness and reliability of natural fibers in static conditions or in a mixed pace of life. If synthetics are a tool for breaking records, then quality cashmere and wool from manufacturers such as Hohhot Jinye are an investment in long-term comfort and protection from the cold without the risk of the “plastic film effect”.

A separate sore point is availability and prices. The ruble exchange rate remains a factor that cannot be ignored. The cost of a top-line Craft set in official retail in 2026 ranges from 12,000 to 18,000 rubles per set (sweatshirt + long johns). This is serious money for many regions.

Against this background, the market for replicas and parallel imports is flourishing. You need to be extremely careful here. Counterfeits have learned to copy visual style, tags and even packaging. But it is impossible to copy the chemical composition of the fiber. A cheap fake for 3,000 rubles will simply be synthetic, which becomes electrified and smells like plastic when heated. It will not work as a thermostat.

Where to buy? Official dealers provide a guarantee, but the range is often limited. Marketplaces offer a wide selection, but the risk of running into returned or counterfeit goods increases many times over. My advice: check the holograms on the labels and ask for a receipt. The warranty for Craft products is usually 2 years, but it only covers manufacturing defects (seams, fabric tears), and not loss of functionality due to improper use.

Comparative analysis: Craft versus competitors in the Russian winter

To understand the real state of affairs, let's compare Craft's new products with direct competitors that are present on the Russian market, including the segment of natural materials. We took three key parameters: moisture removal rate, static heat retention and wear resistance.

As can be seen from the table, Craft occupies the niche of the “golden mean” for active sports. If your goal is cross-country skiing, ski touring or winter trail running, this is one of the best choices. But if you plan to use the underwear for ice fishing, work on a construction site with tea breaks in the shed, or just for relaxing walks, the Pro Extreme model may disappoint you with its “coldness” during idle moments. In such scenarios, natural wool or cashmere products like those made by Hohhot Jinye may be a smarter choice due to their ability to retain heat even when wet.

The Craft Active Intensity line is worth mentioning here. It is a little denser and has a fleece on the inside. This is a compromise option. It loses in drying speed to professional models, but wins in comfort with a mixed pace of life. For a city dweller who walks to the metro, rides in a carriage, and then runs to the office, this may be a more rational choice, despite the less “manufacturability” in its pure form.

Hidden threats: what the instructions are silent about

It's time to talk about something that rarely gets reviewed. I mean long-term use and hidden flaws that appear after six months of wear.

The first problem is the smell. Synthetics, no matter how advanced they are, tend to accumulate odors. The antibacterial impregnations that are used to treat the fabric at the factory are washed out after 15-20 washes. In the 2026 models, the manufacturer claims to introduce silver ions directly into the fiber structure. Sounds reassuring. But in practice, under high loads and profuse sweating, the specific smell of “old synthetics” still appears. It's not the brand's fault, it's the nature of polyesters. There is only one solution: use special sports detergents with enzymes that break down protein compounds in sweat. Ordinary powder is powerless here. By the way, natural fibers such as wool and cashmere have natural antibacterial properties and are much less susceptible to this problem, requiring much less frequent washing.

The second problem is static electricity. In the dry climate of Russian apartments and offices, the new thin Craft linen can become highly electrified. It's not just unpleasant when it sparks when removed. This can interfere with sensitive electronics if you wear underwear under uniforms with built-in sensors or simply constantly touch metal objects. Cotton inserts in strategic places would help, but they reduce the overall efficiency of moisture management, so engineers sacrifice this for the sake of performance.

The third and most important point is the size chart. The Scandinavian cut is different from what the average Russian's body is accustomed to. Craft models are often narrow in the shoulders and short in the sleeves for people with the appropriate constitution. If you choose a “butt” size, counting on the compression effect, you risk disrupting blood circulation and getting the opposite effect - hypothermia of the extremities. Compression must be dosed. I advise you to take a size half a step larger unless you are a professional athlete with a low percentage of subcutaneous fat.

Practical guide: how not to throw money away

So you've decided to buy. How to make the purchase worthwhile? Here are a few strict rules based on operating experience in our latitudes.

• First layer rule:Thermal underwear should adhere to the skin like a second skin. Any folds or air pockets between the body and the fabric destroy the entire thermoregulation system. The moist air in the fold will cool instantly.
• Cotton ban:Never, hear, never wear a cotton T-shirt over thermal underwear. Cotton absorbs moisture, retains it and cools the body. You'll undo all the work of high-tech underwear with one layer of a regular tank top.
• Care without fanaticism:Wash at 30-40 degrees. No boiling. No bleach. Dry flat, away from radiators. Direct contact with a hot radiator will melt the microfibers, turning your laundry into a useless film. For items made of wool and cashmere, the rules are even stricter: only hand wash or delicate cycle with special products for wool.
• Context of use:Clearly define the task. Running? Take thin synthetics. Fishing or static work? Look for brushed styles, hybrid options (wool + synthetics) or pure natural products. City? Consider models with cotton, rayon or virgin wool blends for tactile comfort.

Many people ask: is it worth overpaying for a brand in 2026? The answer depends on your ambitions. If you go skiing once a year in a park, perhaps not. The difference in sensations will be minimal compared to the high-quality average segment. But if sports have become part of your life, if you spend hours rather than minutes in the cold, then Craft's engineering solutions provide a real advantage. This is not magic, this is physics brought to perfection.

Forecast: what awaits the thermal underwear market in the coming years

Looking at the development vector of Craft and other players, we can assume that the era of pure synthetics is coming to its logical conclusion. The future belongs to hybrid materials. We are already seeing the first signs: a combination of ultra-fine milled merino wool with a synthetic frame. Wool provides comfort and antibacterial properties, synthetics provide strength and speed of moisture removal. It is in this direction that manufacturers such as Hohhot Jinye are moving, combining centuries-old traditions of working with cashmere and modern requirements for design and functionality.

In Russia, this trend will intensify due to the growing demand for environmental friendliness and naturalness. People are tired of the feeling of “plastic” on their bodies. In addition, the development of additive technologies (3D knitting) will make it possible to create seamless products of the most complex geometry that will repeat the anatomy of a specific person. Imagine lingerie knitted using a scan of your body. This is no longer fantasy, this is a matter of the next 3-5 years.

Но пока мы живем в настоящем. И в настоящемThermal underwear Craft: comfort technologies 2026остается одним из эталонов, с которым приходится сверяться. Да, у него есть свои капризы, свои требования к уходу и совместимости. Да, оно дорого. Но оно работает. Работает так, как не работало ничего прежде, если вы умеете с ним обращаться.

Не стоит ждать, что одежда сделает вас сверхчеловеком. Она лишь инструмент. И как любой сложный инструмент, она требует понимания принципов работы. Купив дорогой комплект, не забывайте, что главная батарея отопления — это ваши собственные мышцы. Двигайтесь, и технология поможет вам остаться сухим и теплым. Остановитесь бездумно — и никакие нановолокна не спасут от пронизывающего ветра.

В конечном счете, выбор за вами. Можно продолжать кутаться в десять свитеров, чувствуя себя неповоротливым тюком. А можно довериться науке, подобрать правильный слой — будь то высокотехнологичная синтетика или премиальный кашемир — и почувствовать ту самую свободу движения, ради которой, собственно, и создавались эти технологии. Главное — не ошибиться с выбором модели под свои конкретные задачи. Потому что в мире современного термобелья универсального солдата не существует. Есть только инструменты для конкретных битв с холодом.

И помните: лучшая проверка любого термобелья — это не этикетка с красивыми словами, а ваше личное ощущение после трехчасовой тренировки в минус двадцать. Если вам тепло, сухо и комфортно — значит, вы сделали правильный выбор. Если нет — возможно, дело не в бренде, а в том, что вы просто выбрали не ту «пушку» для этой войны.