Our approach

From sea to your swimsuit

Every Posidonie swimsuit is the result of a chain of decisions. Here's why we made them.

1. The Sea

The problem we could not ignore

Thousands of used fishing nets are abandoned at sea. They continue to silently catch and kill fish and endangered species. This is called ghost fishing.

These nets alone account for 55% of global ocean plastic pollution. It is from this reality that Posidonie was born: to transform this waste into a resource.

1. The fabric

Five Steps to Rebirth

Our recycled nylon fabrics are born from a long transformation process, carried out in our partner's Italian factories.

1. Recovery
Diving associations retrieve the nets from the bottom of the Mediterranean Sea.

2. Washing & crushing
The nets are cleaned and then crushed to extract the nylon material.

3. Return to raw material state
The nylon is melted into small pellets, returning it to its initial state.

4. Yarn regeneration
The pellets are spun into a flexible and strong yarn, ready to be woven.

5. Weaving with elastane
The yarn is woven to obtain a resistant fabric that is very soft and comfortable.

-90% water consumed

during fabric production

−80% CO₂ emissions

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3. Manufacturing

100% European, from yarn to finish

We have chosen to build an entirely European production chain: materials sourced locally, minimal transport, and partners with whom we work hand in hand to ensure decent working conditions.

Italy 🇮🇹 & Spain 🇪🇸 : fabric manufacturing

Portugal 🇵🇹 : jersey manufacturing

South of France 🇫🇷 : design & testing

Every stakeholder is paid fairly. The price of your jersey reflects this.

4. The Details

Nothing is left to chance

Posidonia's eco-commitment is reflected in every component of the swimsuit and its accessories.

Elastics made in Lyon
Made from recycled plastic materials. Manufactured in France.

The beach pouch
Each swimsuit comes with a large mesh bag. Pick up waste around you; sand passes through.

Recycled packaging
Recycled and recyclable paper envelopes. Compostable pouches for double orders. Recycled cardboard for the rest.

And if something breaks? Our tie straps are easily re-sewn.Repairing is a radical act. The best thing you can do for the planet is to use your belongings longer.

5. The takeaway

And what about you in all this?

Everything we make has an impact on the planet. Just like everything you buy.
The textile industry contributes 10% of the pollution that generates the climate crisis.

That's why we make high-quality jerseys from recycled materials and choose partners with respected working conditions.

But there are things you can do too: buy less. Buy used. Buy better. Repair what's broken. Choose brands that care about their processes.

Your purchases are your demands.