Ultra Cool Tech

Ultra Cool Tech Ultra Cool Tech creates active cooling solutions that enable sports people to perform at their best.

🏊‍♂️ BEATING THE HEAT IN THE WATERMost athletes know that overheating affects performance. But did you know that cooling...
08/06/2026

🏊‍♂️ BEATING THE HEAT IN THE WATER

Most athletes know that overheating affects performance. But did you know that cooling in the water is surprisingly difficult?

On land, your body relies heavily on evaporative cooling. Sweat absorbs heat and removes it as it evaporates. Underwater, that mechanism simply doesn't work.

Elite swimmers can generate 600–1,000+ watts of metabolic heat during high-intensity efforts. Only a fraction becomes propulsion. The rest becomes heat that must be removed.

In cool water, the body can usually dissipate that heat through conduction and convection. But in warmer water or when wearing a wetsuit, heat can accumulate faster than it can be shed. As core temperature rises, power output, technique, and comfort can all suffer.

To help address this challenge, phase-change materials (PCMs) provide an additional cooling pathway by absorbing excess heat through latent heat transfer.

This principle is at the core of the new EZ Hydro-Glide, developed through a collaboration between .co.uk and Ultra Cool Tech. Combining EZ Gains' expertise in performance-focused swimming solutions with Ultra Cool Tech's experience in sports thermoregulation, the teams worked together to develop a solution that helps swimmers manage heat in both warm and cold water environments.

From PCM formulation selection to heat absorption testing and hydrodynamic integration, every detail was designed to deliver meaningful cooling without adding bulk or disrupting performance. It also protects the head from impacts, keeping swimmers safe during the race.

Sometimes, improving performance is not just about producing more power.

It's about managing the heat that power creates.

Polish ultrarunner Tomasz Sobania is currently taking on an extreme challenge: running 50 marathons in 50 days across al...
03/06/2026

Polish ultrarunner Tomasz Sobania is currently taking on an extreme challenge: running 50 marathons in 50 days across all 50 U.S. states. Now approaching the halfway point, the "Polish Forrest Gump" is facing extreme heat in several states, a challenge that requires the right active cooling solutions.

Tomasz chose our products to help improve his thermoregulation throughout this incredible journey across the United States. By combining the Glacier Hat and Glacier Towel with proper hydration, he is managing to endure the gruelling conditions on the road, especially in the southern states.

His journey is well worth following, offering valuable lessons in endurance, resilience, and the importance of choosing the right strategies to achieve ambitious goals. Running 50 marathons in 50 days across all 50 states is no small feat, and Tomasz continues to prove what is possible with determination, preparation, and the right support.

You fuel your body with calories.But do you fuel your cooling? 💧During exercise, most of the energy you create does not ...
29/05/2026

You fuel your body with calories.
But do you fuel your cooling? 💧
During exercise, most of the energy you create does not become movement.
It becomes heat.

Your body removes a majority of that heat through sweat / water evaporation. That means water is not just hydration: Water is fuel for cooling.
No fuel → less phase change / evaporation
Less evaporation → less cooling
Less cooling → higher body temperatures and performance decline.

Think about aid stations.
You pour water over your head... most of it ends up on the ground.
That is cooling fuel being wasted.
Smarter cooling is about keeping water where it matters: close to the skin, where phase change / evaporation can keep working for longer.
Because fueling performance is not only about calories.
It is also about fueling your cooling.

Our products can be used before and during a race, but also after training and racing.Why does cooling after a race matt...
28/05/2026

Our products can be used before and during a race, but also after training and racing.

Why does cooling after a race matter? Because it helps with recovery. During a race, it is not unusual for athletes to reach body temperatures similar to a fever. This happens because heat continuously builds up as a direct consequence of physical exercise. When that happens, the body needs to return to its normal temperature before recovery can properly begin. That is why you often see professional athletes take a cold plunge after racing. It helps bring core body temperature down faster, improving recovery.

You can achieve a similar effect with products like the Glacier Tape or Glacier Vest. Athletes use them after races to cool down more quickly. Some even use the Glacier Towel to help them fall asleep faster during hot summer nights. And it works!

Next time you train or race in the heat, don’t forget that thermoregulation does not end when the session or race is over. Managing your body temperature after exercise is just as important for optimizing recovery.

Our products can be used before, during, and after training and racing. Of course, race day is where athletes often get ...
27/05/2026

Our products can be used before, during, and after training and racing. Of course, race day is where athletes often get the most out of them.

During training and racing, athletes generate a huge amount of heat inside the body. In fact, only around 20% of the energy produced contributes to mechanical power. The rest becomes heat that accumulates inside the body.

This is a natural process, but excess heat needs to be dissipated through evaporation at the skin. Sweat, or additional water applied to the skin, absorbs heat and removes it as it evaporates, helping prevent overheating. The key is keeping this cooling system running efficiently. Hydration plays an important role, but adding more water can also help because water becomes fuel for cooling.

That is exactly how our products work. During a race, they retain water close to the skin, ensuring there is always fuel available for your body’s natural cooling mechanism. They are designed to complement your body's natural cooling process by increasing the active skin surface exposed to water, helping to deliver greater evaporative cooling.

Athletes often combine products across different areas of the body to increase the cooling surface and improve overall cooling efficiency. For example, during a triathlon, athletes use the Glacier TT Cockpit Cooling Kit (including Glacier Tape) to improve cooling in the hands and forearms during the bike leg. During the run, they use the Glacier Hat and Glacier Towel to improve cooling around the head and neck.

The formula is simple:

More surface covered = more controlled evaporation = more heat removed = more cooling watts (a measure of how much excess heat your body is dissipating).

Each use case for our products — before, during, and after training or racing — is identified with an icon in our guidelines and packaging, making it easy to understand the best way to use each product.

Our products can be used before, during, and after training and racing.Before a race, athletes often use our Glacier Tow...
20/05/2026

Our products can be used before, during, and after training and racing.

Before a race, athletes often use our Glacier Towel and Glacier Vest to help manage body temperature during the warm-up. The challenge is finding the right balance: you want to warm up your muscles and prepare your body for performance, but avoid building up excess heat too early. If heat accumulation starts during the warm-up, overheating may arrive sooner during the race because the process has already begun on the trainer. Early overheating can make it harder to sustain performance throughout the event and may reduce your ability to produce the power needed to finish strong and stay competitive.

That’s why temperature management should start before the race begins. Using the Glacier Towel or Glacier Vest during your warm-up can provide additional cooling support, helping you start in a better position and better prepared for the demands ahead.

Each use case for our products, before, during, and after training or racing, is identified with an icon in our guidelines and packaging, making it easy to understand the best way to use each product.

Current Spanish Paddle Surf Champion Antonio Morillo has been using the Glacier Hat throughout his season, from racing t...
14/05/2026

Current Spanish Paddle Surf Champion Antonio Morillo has been using the Glacier Hat throughout his season, from racing to training sessions in demanding conditions. Here’s his experience

"This season I’ve been using the Glacier Hat from Ultra Cool Tech and, honestly, it has surprised me in a very positive way.
I usually wear a cap in all kinds of races because I have long hair and like to stay comfortable and protected, but with this one I’ve noticed a real difference. Besides being very comfortable, it keeps my head cool throughout the activity, helping prevent my body temperature from rising too much, even during long efforts. I’ve used it in races lasting one and a half to two hours, and the experience has always been very positive.
Another point I’d highlight is the fit. It adapts perfectly and doesn’t move at all, which is essential for me when I’m training or competing. Even when doing water sports like paddleboarding, if I need to refresh it, I simply wet it a bit and it remains just as comfortable, without shifting or becoming annoying.
I’ve also been pleasantly surprised by its durability. Sometimes you might think that, because of the type of material, a cap like this would be less resistant, but this is not the case. You can tell it’s well made and handles heavy use perfectly.
Overall, it completely met my expectations, and even exceeded them. I’m delighted with the product and would recommend it 100%".

Heat management is one of the biggest performance factors in endurance sport. Yet most athletes still think cooling simp...
12/05/2026

Heat management is one of the biggest performance factors in endurance sport. Yet most athletes still think cooling simply means “feeling cooler.”

Your body already has a natural cooling system: sweat and evaporation. But this system has limits. Specially during hard efforts, high temperatures, indoor training, or long races.

You can only produce so much sweat. And if sweat evaporates too quickly, drips away, or the skin becomes too dry, cooling efficiency drops. That means less heat removal, rising core temperature, and eventually reduced performance.

This is where active cooling comes in.

Active cooling is designed to complement your body’s natural cooling process by adding and retaining water exactly where evaporation is most effective. More controlled evaporation = more heat removal = more cooling watts (a measure of how much excess heat your body is removing).

In other words, active cooling adds fuel to the system. It creates additional evaporative cooling capacity beyond what your body can produce alone, helping you maintain cooling performance for longer when conditions become demanding.

Heat management is one of the biggest performance factors in endurance sport. Yet most athletes still think cooling simp...
12/05/2026

Heat management is one of the biggest performance factors in endurance sport. Yet most athletes still think cooling simply means “feeling cooler.”

Your body already has a natural cooling system: sweat and evaporation. But this system has limits. Specially during hard efforts, high temperatures, indoor training, or long races.
You can only produce so much sweat. And if sweat evaporates too quickly, drips away, or the skin becomes too dry, cooling efficiency drops. That means less heat removal, rising core temperature, and eventually reduced performance.

This is where active cooling comes in.

Active cooling is designed to complement your body’s natural cooling process by adding and retaining water exactly where evaporation is most effective. More controlled evaporation = more heat removal = more cooling watts (a measure of how much excess heat your body is removing).

In other words, active cooling adds fuel to the system. It creates additional evaporative cooling capacity beyond what your body can produce alone, helping you maintain cooling performance for longer when conditions become demanding.

05/07/2025

We never tire of witnessing individuals experience our pioneering cooling technologies for the first time. At Roth, numerous visitors stopped by our booth alongside to discover our distinct method of sports thermoregulation and personally feel the impact of our offerings, including towels, bar tapes, and hats.

Every product we offer facilitates an evaporation process that dissipates body heat, effectively cooling the skin. Cooler skin enhances the body's inherent ability to eliminate heat, particularly on sweltering and humid days like those recently experienced at Roth. Our products activate solely with water, and their cooling effect endures as long as the towel, bar tape, or hat remains wet.

Many athletes participating in tomorrow's event at Roth are already making use of our innovations. We wish them all the best of luck on the racecourse!

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