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Olive — What olive groves leave behind

The olive oil is extracted. What remains is usually forgotten. At Zèta, that is where everything begins. Skins, stones, olive fragments: all of these by-products, known as pomace, are crushed and transformed into material for shoes.

A by-product turned resource

After crushing, the olive pomace is blended with a water-based PU. The resulting paste is then dyed with natural pigments, spread onto a thick canvas, and heated to set its structure.

It is then cut in Istanbul and assembled in our workshops. This process minimises waste, upcycles olive by-products, and offers a viable alternative to less sustainable materials.

A commitment to materials and products

The material is made of 87% olive and 13% water-based PU.

It is developed under the Oleatex® certification, a benchmark for plant-based alternatives sourced from olive groves.

Why use it?

Because it provides genuine durability, excellent resistance to daily wear, and a clean, understated finish.

And because repurposing agricultural co-products is a tangible way to produce differently.

Your feet carry you, take good care of them.

At Zèta, comfort is not an afterthought, it is our starting point. Where many brands focus solely on style, we commit to combining aesthetics, ethics and well-being at every single stage of developing our footwear.

Our models are designed to adapt naturally to your feet: supple, lightweight and breathable, they make you feel like you are walking in slippers – which is precisely what over 90% of our customers tell us in their reviews. So it is not just us saying it, it is you.

Say goodbye to blisters and tired legs: our shoes go everywhere with you, from your first to your last step of the day.

Shoes made to last, without compromising on comfort.

Our materials are carefully selected to be pleasant to wear and long-lasting. Before being launched, all our prototypes are reviewed by the CTCP (Footwear Technological Centre of Portugal) for flexibility and abrasion testing. Then, they are tested in real-life conditions by our team and members of the Zèta club.

Each pair is assembled by hand by our Portuguese artisans, then subjected to rigorous quality control to ensure that your comfort meets our high standards – and yours.

Manufacturing workshop - Felgueiras, Portugal

We are proud to collaborate with partners who share our values and high standards, both environmentally and socially.

Located in Felgueiras, Portugal, our family-run workshop brings together around forty passionate artisans who preserve a unique craftsmanship.

Since its creation, this workshop has made it a point of honour to preserve the tradition of Portuguese shoemaking while integrating modern and responsible practices.
Each pair is handcrafted with great attention to detail, comfort, and durability — true to the spirit of Saudade.