Materials manifesto

Every claim,
printed on the tongue.

We don't hide our supply chain behind a hangtag. Open any Vireo and you'll find the exact materials, country of origin, and CO₂ footprint stitched into the inside of the tongue.

Recycled inputs

65–95% post-consumer content per pair, including ocean-bound PET, regrind rubber, and reclaimed cotton.

Plant & algae soles

Bloom Foam™ midsoles made from harvested algae waterways. Soles biodegrade in 5 years, not 500.

Fair living wages

Every Vireo is stitched in Gold-rated Portuguese workshops paying a verified living wage — not minimum wage.

By the numbers

The math we're proud of.

Avg. recycled content per pair
68%
Plastic bottles diverted per pair
12
CO₂ per pair (cradle to door)
4.2kg
Repairs done lifetime, free
Vireo materials

Inside the pair

Atlas — anatomy.

Anatomy of a Vireo

What goes in, and where.

Average breakdown across our Spring drop. Every model is footnoted on its product page with its exact recipe, sources, and certifications.

  • Recycled PET upper42%

    From ocean-bound plastic bottles.

  • Bloom algae foam28%

    Cleans waterways while it cures.

  • Natural rubber18%

    FSC-certified, Hevea brasiliensis.

  • Organic cotton laces6%

    GOTS-certified, dye-free.

  • Recycled aglets & hardware6%

    Post-industrial brass scrap.

1% for waterways

1% of every pair funds river-cleanup partners worldwide.

Two trees per pair

Vireo plants two trees in regenerative agroforestry projects.

Lifetime repair

Free repairs forever. Resole, restitch, restore — never landfill.

Read the recipe

See it on the next pair.

Every product page lists materials, sourcing, certifications, and CO₂ per pair.

Shop the collection