Kilian Jornet x Julbo: “No coincidence”, a partnership written in the mountains

Some partnerships feel inevitable the moment they are announced. Not because they command the spotlight, but because they tell a story that makes sense. The new alliance between Julbo and Kilian Jornet is built on authenticity and a shared vision of performance. On one side stands the greatest ultra-trail runner in history, a defining figure in endurance sports and modern mountaineering. On the other is a French sports eyewear specialist, rooted in the mountains and outdoor performance since 1888. Their partnership comes as little surprise, and Julbo summed it up in two words for the campaign: “No coincidence”.

A meeting that was anything but random

Officially, Kilian Jornet joined the Julbo team on January 1, 2026. Unofficially, the relationship goes back more than 20 years. Long before the podiums, records and ambitious projects, the four-time UTMB winner grew up in a high-altitude refuge in the Catalan Pyrenees, run by his parents. The mountains were not an occasional playground, but the setting of his everyday life.

From an early age, he moved through alpine terrain in summer and winter, using his first glacier glasses to protect his eyes from bright light, wind and glare. Julbo, founded in 1888 and a pioneer in this type of equipment, was already part of his daily life. The brand’s iconic models accompanied his first outings, long before his name became synonymous with extreme achievements. That continuity explains the strength of this story: this is not opportunistic sponsorship, but the official launch of a relationship that began decades ago.

Since my first steps in the mountains as a child, in the Pyrenees where I grew up and learned to ski and run, I have worn Julbo glasses. They have accompanied me
through countless projects, summits, mistakes and successes, protecting my eyes from Himalayan storms to the dazzling glaciers of the Alps. After all these years, making this collaboration official feels completely natural.
Kilian Jornet

It is hard to be more explicit. For Kilian Jornet, equipment is not a marketing accessory. At high altitude, it is a vital tool, tested in environments where mistakes have serious consequences.

Kilian Jornet and Julbo make official a partnership forged in the mountains long before performance and records, with a dedicated collection due in 2026.

A shared vision of performance

What brings Julbo and Kilian Jornet together goes well beyond the product. They share a remarkably similar view of performance and trail running:
✔ performance that is not limited to speed or results,
✔ performance rooted in total commitment, the drive to go beyond oneself, precision and equipment you can rely on,
✔ performance inseparable from respect for nature, a fragile playground that must be protected.

For the Catalan athlete, that means taking a broad approach to the mountains: trail running, mountaineering, ski mountaineering and committed lines. For Julbo, it means a product culture built on field-tested innovation, rigour and knowledge-sharing, developed alongside mountaineers, guides and athletes for more than a century.

When an athlete’s demands drive product development

Julbo makes no secret of the strategic importance of this partnership. For the brand, Kilian Jornet’s high standards are a source of innovation, a catalyst for pushing product development further and making it more precise and more sustainable. It also gives Julbo a way to reach an international audience.
There is another positive point on the sustainability front: 90% of the upper materials are recycled, a significant effort from the Japanese brand at a time when environmental responsibility is becoming essential across the running industry.

This is clearly a long-term partnership. The “Kilian Jornet Series” collection will be available from March 2026, followed by a gradual rollout of products developed specifically to meet the demands of the most committed outdoor athletes.

The partnership between Julbo and Kilian Jornet marks a major strategic milestone for the brand. It makes deep sense because Kilian embodies values we have always shared with the athletes in our community. It is built on a long-term relationship grounded in the real-world use of our products in extreme conditions, and fully confirms our positioning in performance and innovation. Joining forces with Kilian allows us to accelerate our international profile and raise our product development standards even further. This is a structuring partnership, focused on creating lasting value and on building a global, committed outdoor brand.
Damien Guillobez, Julbo CEO

Why this news reaches beyond trail running?

Kilian Jornet has become much more than an ultra-trail runner: he embodies a modern vision of endurance. Pacing, energy efficiency, minimalist equipment, sustainability and mindset are all themes that resonate with road runners too, especially those taking on the marathon. For them as well, Kilian Jornet is a reference point and a model to follow.

Beyond the compelling backstory, this partnership also highlights something road runners often overlook: performance is partly about vision. Seeing clearly, seeing far ahead and seeing without fatigue means preserving clarity and mental comfort over the long haul. That can make the difference when you are trying to save a few seconds over the marathon distance.

Julbo x Kilian Jornet is not a conventional collaboration, and it is not a publicity stunt. It is the culmination of a shared, authentic story forged in the field, in the cold, wind and harsh light of the summits. A relationship built on product quality, long before contracts and press releases, and even before the modern running boom. For Julbo, it marks a step up on the international stage. For Kilian, it is the logical continuation of an already legendary career. For amateur runners, there is no doubt that this partnership will provide plenty of inspiration for their next adventures, on trails, mountain passes and perhaps even the roads.

✔ The “Kilian Jornet Series” collection will be available from March 2026 on the official julbo.com.