Our balls are collected from partner tennis clubs in Porto, just a few kilometres from our workshops!
The balls (rubber and felt) are crushed into fine granules, then mixed with recycled rubber. This mixture is then hot-pressed in a mould to form the sole.
A tennis ball is only used for a few hours, but takes 400 years to decompose. In France, 14 million balls are thrown away every year due to a lack of recycling channels. So we decided to collect them and incorporate them directly into our trainers!
The collection is made in Portugal, in the Porto region, in order to stay as close as possible to the clubs where we collect the balls. Only the cap is made in France, in Montpellier, from upcycled fabric offcuts.
It is not strictly a limited edition, but we have chosen to produce an initial run in small quantities. Stock is therefore limited for this launch. If you like a style, we recommend not waiting too long!
  • White thick-soled trainers by the brand Zèta
    BESTSELLER

    Bêta B0 White

    HK$1,918.00 HKD
    HK$1,918.00 HKD HK$1,918.00 HKD
  • Side view of the brown Beta B3 trainers, elegant and responsible silhouette.
    BESTSELLER

    Bêta B3 Chocolate

    HK$1,918.00 HKD
    HK$1,918.00 HKD HK$1,918.00 HKD
  • Alpha Beige
    BESTSELLER

    Alpha Beige

    HK$1,749.00 HKD
    HK$1,749.00 HKD HK$1,749.00 HKD
  • Comfortable vegan trainers with a thick sole. The trainer is white with a black logo
    BESTSELLER

    Bêta B2 Black

    HK$1,870.00 HKD
    HK$1,870.00 HKD HK$1,870.00 HKD
  • Alpha Navy
    BESTSELLER

    Alpha Navy

    HK$1,749.00 HKD
    HK$1,749.00 HKD HK$1,749.00 HKD
  • Zèta B1 marino trainers seen from the side
    BESTSELLER

    Bêta B1 Navy

    HK$1,918.00 HKD
    HK$1,918.00 HKD HK$1,918.00 HKD
  • White trainers. Vegan trainers by Zèta
    BESTSELLER

    Bêta B1 White

    HK$1,918.00 HKD
    HK$1,918.00 HKD HK$1,918.00 HKD
  • men's and women's loafers
    OLIVE BESTSELLER

    Braga burgundy

    HK$2,171.00 HKD
    HK$2,171.00 HKD HK$2,171.00 HKD
  • Side view of the ZETA B1 white and beige trainers, an eco-responsible model with a minimalist design.
    BESTSELLER

    Bêta B1 Beige

    HK$1,918.00 HKD
    HK$1,918.00 HKD HK$1,918.00 HKD
  • men's loafers
    OLIVE

    Douro Black

    HK$2,171.00 HKD
    HK$2,171.00 HKD HK$2,171.00 HKD
  • women's slip-on shoes
    OLIVE BESTSELLER

    Douro brown

    HK$2,171.00 HKD
    HK$2,171.00 HKD HK$2,171.00 HKD
  • Grape-based trainer sold in its wooden box, wine crate style
    BESTSELLER

    Alpha Millésime

    HK$1,918.00 HKD
    HK$1,918.00 HKD HK$1,918.00 HKD
  • Women's loafers
    OLIVE BESTSELLER

    Braga black

    HK$2,171.00 HKD
    HK$2,171.00 HKD HK$2,171.00 HKD
  • Bêta B4 Green

    Bêta B4 Green

    HK$1,797.00 HKD
    HK$1,797.00 HKD HK$1,797.00 HKD
  • Alpha Green

    Alpha Green

    HK$1,749.00 HKD
    HK$1,749.00 HKD HK$1,749.00 HKD
  • Bêta B4 Azulino

    Bêta B4 Azulino

    HK$1,797.00 HKD
    HK$1,797.00 HKD HK$1,797.00 HKD
  • Brown Delta Nuts trainers, side view, highlighting their understated and sustainable aesthetic.
    BESTSELLER

    Delta Nuts

    HK$1,797.00 HKD
    HK$1,797.00 HKD HK$1,797.00 HKD
  • White trainers with a thick sole. These trainers are vegan and made from recycled materials

    Bêta B2 White

    HK$1,870.00 HKD
    HK$1,870.00 HKD HK$1,870.00 HKD
  • loafer in cow print
    OLIVE

    Douro cow

    HK$2,231.00 HKD
    HK$2,231.00 HKD HK$2,231.00 HKD
  • strap ballet flats in cow print
    BESTSELLER

    Gaia cow

    HK$1,689.00 HKD
    HK$1,689.00 HKD HK$1,689.00 HKD
  • Side view of the bordeaux ZETA B3 trainers, illustrating the modern design.
    BESTSELLER

    Bêta B3 Burgundy

    HK$1,918.00 HKD
    HK$1,918.00 HKD HK$1,918.00 HKD
  • Side view of the ZETA B3 Marino blue trainers, showcasing the clean design and finishes.

    Bêta B3 Marino

    HK$1,918.00 HKD
    HK$1,918.00 HKD HK$1,918.00 HKD
  • Delta Vert trainers, side view highlighting their sporty and natural silhouette.
    BESTSELLER

    Delta Green

    HK$1,797.00 HKD
    HK$1,797.00 HKD HK$1,797.00 HKD
  • Bêta B4 White
    BESTSELLER

    Bêta B4 White

    HK$1,797.00 HKD
    HK$1,797.00 HKD HK$1,797.00 HKD
  • Red Delta Grenat trainers, side view, bold style and eco-responsible finish.
    BESTSELLER

    Delta Garnet

    HK$1,797.00 HKD
    HK$1,797.00 HKD HK$1,797.00 HKD