Our Pillars

AETERNUM is more than a clothing brand—it’s a movement. We draw inspiration from those who came before us, the Romans who built legacies that stood the test of time. They left behind pillars that still stand today—not just in stone, but in ideas, in impact, in an unshakable presence. That is the essence of AETERNUM.

We believe in creating something that lasts. Not just clothing, but a mindset. A statement. A commitment to integrity, quality, and sustainability. Like the icons of the past, we are here to leave our mark on this generation, for the Icons of today and the future. To stand for something real. To build with purpose.

AETERNUM is about us, about you, for those who refuse to blend in, who embrace their individuality, and who see fashion as more than fabric. It’s a symbol of who you are and what you stand for. Together, we build something that will endure. Because just like the pillars of the past, true integrity never crumbles.



Our Story

We started AETERNUM because we felt there was a need for something different – a brand that would bridge heritage and the contemporary, the refined and the bold. A brand that actually do good and show it, not only imply it.

Our clothes are crafted in Portugal with sustainable, durable materials, chosen with care and respect for the environment and the people working the factories. We believe that every piece we create should not only look good but also do good and stand for something larger than ourselves.

But Aeternum is not just about the product. It is about the people who wear it.


We want our pieces to resonate with individuals who really stand for something, who embrace their own values, and who are not afraid to express their unique identities. We are here for those who believe in leaving a positive footprint – not just in style, but in the world and all who live on our planet. 


Our mission

At AETERNUM, we believe in leaving a meaningful mark on the world. Our foundation rests firmly on three timeless pillars: sustainability, quality, and integrity. These values guide every decision we make, ensuring that our clothing reflects not only premium craftsmanship but also a commitment to a better future.

With each collection, we aim to amplify a cause that matters. Our vision is to partner with organizations that align with the theme of each drop, creating clothing that inspires change and gives back to the planet and its people. However, we believe in starting strong and standing firm on our values. That’s why our very first drop will focus entirely on building our foundation as a brand—laying the groundwork for future partnerships that truly make a difference.

This isn’t just a promise; it’s our purpose. AETERNUM is not here to follow trends but to lead with intention, creating limited collections that feel exclusive and special. Together, we can shape a movement for thoughtful, sustainable fashion.

Integrity

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Quality

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Sustainability

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Join Us

We invite you to become a part of this journey with us. AETERNUM is here to inspire, to create, and to champion a future where fashion is responsible, where style has meaning, and where each of us can leave our mark on the world in our own way.

WHO WE ARE

AETERNUM is more than a clothing brand—it’s a movement. We draw inspiration from those who came before us, the Romans who built legacies that stood the test of time. They left behind pillars that still stand today—not just in stone, but in ideas, in impact, in an unshakeable presence. That is the essence of AETERNUM, which means "everlasting" in Latin.

We believe in creating something that lasts. Not just clothing, but a mindset. A statement. A commitment to integrity, quality, and sustainability. Like the icons of the past, we are here to leave our mark on this generation, for the Icons of today and the future. To stand for something real. To build with purpose.

AETERNUM is about you, who refuse to blend in, who embrace your own individuality, and who see fashion as more than fabric. It’s a symbol of who you are and what you stand for. Together, we build something that will endure. Because just like the pillars of the past, true integrity never crumbles.

OUR STORY

Fashion, as it stands today, is a broken pillar. It’s built on a foundation that’s crumbling—one that exploits people, depletes resources, and prioritizes profit over integrity. I’ve always been drawn to fashion, history, and try to stand up for what’s right. But every time I invested myself in a brand, I found the same story—greenwashing, unethical production, and values that didn’t align with my own. There are definitely some strong brands with ethical and eco-friendly out there, but creating something like AETERNUM has always been my dream.

With strong principles guiding me, I knew there had to be another way. AETERNUM was born from the fire of that realization, built to stand strong where others have fallen.

In the year LXIV (64 AD), Rome burned. But from the ashes, it rose stronger. AETERNUM follows that same spirit—emerging from the destruction of fast fashion with a commitment to sustainability, quality, and integrity. We are here to rebuild, to set a new standard, to prove that clothing can be both bold and responsible. LXIV is an important tagline with a story behind it, which you will often see on our products and campaigns.

This isn’t just a brand. It’s a foundation for something greater—a movement of people who refuse to accept the status quo. AETERNUM is the unbroken pillar rising from the flames, built to last.

- Mauro Santos Widenby, CEO & Founder

OUR MISSION

Fashion should be more than just trends—it should be a statement of who you are and what you stand for. At AETERNUM, we believe in standing firm in our values, in choosing integrity over convenience, and in creating something that truly lasts.

We want to build more than a brand; we want to build a movement. AETERNUM is a place where people can wear their values with pride, knowing that their choices align with sustainability, ethics, and a vision for a better future. Here, you don’t have to worry about greenwashing, unethical production, or reckless harm to the planet. We exist to be your safe space in fashion—where quality meets conscience, and where style has substance.

But we know this is just the beginning. Our long-term mission is to not only create sustainable fashion but to actively contribute to change. In the future, we aim to partner with aid and support organizations, ensuring that every collection directly gives back. However, to make that impact, we first need to grow—because a strong foundation is the key to something that lasts.

Your choices shape the world, and by choosing AETERNUM, you are choosing to stand for something greater. A community built on integrity, respect, and authenticity. This is our mission. Now, let’s build it together.

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INTEGRITY
QUALITY
SUSTAINABILITY