The $171 Vest Worn by F1 Drivers Hit the World Cup

Heat has always been part of the game. Whether you’re a footballer running laps before a match, a Formula 1 driver crammed into a cockpit where temperatures can soar to 55-60°C, or a cyclist grinding through the Tour de France in July, managing your body temperature isn’t just about comfort. It’s about survival and, more specifically, performance.

That’s exactly what Dutch company Inuteq has been working on for years, quietly and without much fanfare, until now. Their PCM CoolOver, a cooling vest built on phase-change material technology, has found its way into one of the most high-profile collaborations in sportswear: the adidas CLIMACOOL System, officially unveiled for the FIFA World Cup 2026.

Designers: adidas x Inuteq

The way phase-change material works is genuinely clever. The vest contains PCM cells made from 100% biobased materials that absorb heat from the body as they gradually transition from solid to liquid state, keeping the surface at a consistent, controlled temperature. The 15°C version, the one widely used by athletes in sport and recovery, delivers up to 2.5 hours of constant cooling. No batteries, no electricity, no complicated mechanics. Just material science doing what it’s supposed to do.

I’ll admit that I didn’t expect to find myself genuinely excited about a vest. But when you look at what this collaboration actually represents, it shifts the conversation in interesting ways. Cooling technology has been operating in the background of elite sport for a long time. Ice towels, cold baths, fans on the sideline. These solutions work well enough, but they’re reactive. The PCM CoolOver feels like a proper design response to a problem that deserves one. It’s specific, engineered, wearable, and built on science rather than just intuition.

The adidas partnership started in motorsport. The CLIMACOOL System was originally developed to help Mercedes-AMG Petronas F1 Team drivers, including George Russell and Kimi Antonelli, cope with extreme cockpit heat. From there, it was adapted, tested, and refined alongside football clubs including Manchester United, Juventus, and Arsenal, before being made available to all adidas partner federations at the 2026 World Cup. That’s a journey from one of the most technically demanding environments in sport to one of the most globally watched. Not a bad trajectory for what is, at its core, a vest.

The numbers are worth sitting with for a moment. The system reduces core body temperature by up to 0.5°C and skin temperature by up to 13°C, with a complementary overshoe that brings foot temperature down by up to 2°C in minutes. The Spanish Football Federation was quick to point out how they’ve been using the vest before matches, after training, and at half-time to support player recovery and readiness. When a federation is publicly crediting a vest as part of their performance strategy, that tells you something.

What also deserves attention here is the sustainability angle. Inuteq’s PCM technology is USDA-certified 100% biobased and REACH compliant, which makes it one of the only cooling vests on the market that can make those claims. In a category that could easily lean on synthetic chemicals and disposable components, the fact that this product is also biodegradable and fabric-free, easy to clean and even sterilize, puts it in a different class. Good design shouldn’t have to compromise on this, and here, it doesn’t.

The PCM CoolOver comes in multiple temperature variants: 6.5°C, 15°C, 21°C, 24°C, and 29°C, each calibrated for different conditions and use cases, from elite athletic performance to industrial and medical settings. The range feels thoughtful, like a product family that was designed to solve real problems across real environments rather than chase a single use case.

Cooling as a design challenge might not carry the aesthetic glamour of, say, a new sneaker drop or a conceptual chair. But the PCM CoolOver is proof that genuinely functional design, the kind that solves a physical human problem with precision and care, is just as compelling, and arguably more necessary. The fact that it has quietly traveled from Dutch labs to Formula 1 cockpits to World Cup pitches says more about its value than any product launch ever could.

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Nike and Hyperice boots use air compression to massage athlete’s feet, a boon for warmup and recovery

Like precaution is better than cure in everyday life, warmup and recovery before and after a strenuous workout or competition are equally important. Nike has over decades made life immensely comfortable for athletes with the most relaxed footwear options. Now, it is tying up with Hyperice to ensure that the warmup and recovery phases in a player’s life are also taken care of by the Swoosh brand with equal prowess.

To that accord, in collaboration with Hyperice, – a name providing athletes with innovative technology during recovery to improve the performance of muscles and joints – Nike is working on developing a pair of boots and vest that would “help athletes perform at their best throughout training and competition.”

Designer: Nike

Nike and Hyperice boot and vest, Tobie Hatfield, Senior Director, Nike Athlete Innovation informs, “get the body ready for activity, whether you’re playing for a title or you’re on your feet a lot at work.” An extension of Nike’s focus on the integration of wearable technology in its products, these pair of boots would provide the wear with heat and dynamic air compression at the feet and ankle, which feels like a foot massage. This prepares the body before a workout and can relax the feet after a long stressful game or if the person has been on the foot for too long.

The Nike and Hyperice vest is designed to monitor and maintain the body temperature of a player. For this, the vest is integrated with thermal modules and pressure sensors that work in tandem to ensure effective heating and cooling of the body. Both the vest and the shoes are still under development and will be launched at a “later date,“ Nike confirms.

The pair of high-top shoes, push the boundary of what’s possible for today’s athletes, with air Normatec bladders and warming elements. The air bladders inflate and deflate – what feels like a massage – and allow the heat to distribute evenly and deep in the feet and ankle to provide soothing comfort to the wearer’s feet. Of course, the shoes are primarily targeted at the athletes, with the likes of LeBron James testing them, the adaptation of technology could be beneficial for people whose work requires them to stand and walk too much.

“From the moment I tried the Nike x Hyperice boots and vest while they were still in development more than a year ago, I knew they were going to change the game for athletes’ warm-up and recovery,” LeBron James notes. It is worth noting that the heat and air compression in the Nike x Hyperice boots are customizable. The user can synchronize the heat and compression with the push of a button (at the control panel placed on the midsole), and can even choose to run different settings on individual shoes, if required.

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