Looking for a simple way to stay comfortable during hot summer days? A cooling cap uses natural evaporative cooling to help reduce heat build-up around your head, making it an ideal solution for runners, outdoor workers and anyone spending extended time outdoors. From busy food trucks to long-distance training sessions, more people are discovering how a cooling cap improves comfort, focus and overall performance without batteries, fans or complicated technology.
How evaporative cooling works
When temperatures rise, one of the first places we notice the heat is our head. It is constantly exposed to direct sunlight and contains many blood vessels close to the skin. As your body warms up, it naturally releases heat through the skin while producing sweat to regulate its temperature.
A cooling cap takes advantage of evaporative cooling. The specialised fabric absorbs water and gradually releases it through evaporation. Because evaporation requires heat, it draws thermal energy away from the fabric and the surrounding area, creating a pleasant cooling sensation around your head. At the same time, the visor protects your face from direct sunlight, making the cap even more comfortable during long hours outdoors. When the cooling effect starts to fade, simply add more water to reactivate it.
One cooling cap, countless applications
What started as a product for sports enthusiasts is now used by a surprisingly diverse group of people. Runners, food truck owners, golfers, gardeners, event staff, delivery drivers and many other outdoor professionals all have one thing in common: they spend long periods outside and appreciate every bit of cooling they can get.
Their experiences show that sometimes the simplest innovations make the biggest difference.
"It helps me stay focused throughout my run"
For Tomas (34), an avid distance runner, the cooling cap has become an essential part of his summer training.
"It doesn't feel like wearing an air conditioner on your head. Instead, it's a subtle, consistent cooling effect that really makes a difference. During longer runs I find it easier to stay focused and maintain my pace, even on hot days. The visor also keeps the sun out of my eyes, which is an added bonus. When the cooling effect starts to fade, I simply add a little water and I'm good to go again."
"Our team now wears them every warm summer day"
Hannah (37), who owns a busy food truck, first discovered the cooling cap while looking for a way to make summer shifts more comfortable for her staff.
"During the first heatwave of the summer we wanted to provide our team with something extra and came across these cooling caps. We were honestly surprised by how well they work. Inside a food truck, with multiple hot grills running all day, temperatures can become extremely high. Keeping your head cool makes a noticeable difference, especially during long shifts. The cap provides a pleasant cooling sensation without becoming soaking wet because you wring it out before wearing it. It's comfortable, practical and something our staff now reaches for every sunny day."
"The first hot days always require an adjustment"
For Michiel (32), a marathon runner who covers up to 90 kilometres every week, training in the heat is simply part of the journey.
"I actually prefer running in warm weather, but in the Netherlands we spend most of the year training in cold, wet conditions. That makes the first real summer days an adjustment every year, especially now that temperatures can easily reach 35°C. It takes time for your body to adapt, and a cooling cap definitely helps during that transition. One of my most memorable runs was through the Wadi Rum desert in Jordan, where the heat was relentless. Staying cool made a noticeable difference, allowing me to focus on the experience instead of the temperature."
A simple solution for warm summer days
Not every cooling solution needs batteries, fans or complicated technology. Sometimes, water and smart materials are all it takes to stay comfortable when temperatures rise.
Whether you're training for your next race, serving customers from a food truck, working outdoors, spending the day on a golf course or simply enjoying the sunshine, a cooling cap offers a practical way to stay cooler for longer. Simply wet the cap, wring out the excess water and enjoy hours of refreshing evaporative cooling.
As summers continue to become warmer and heatwaves more frequent across Europe, personal cooling is becoming less of a luxury and more of an everyday necessity. At BERTSCHAT®, we believe comfort should never stand in the way of performance. That's why we develop innovative cooling solutions that help people stay comfortable—whether they're working, exercising or simply making the most of a warm summer day.
Discover our complete collection of cooling caps, cooling vests and Thermotion® cooling bedding, and find the cooling solution that best suits your summer activities.
