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WEER

Four old shirts. One new one.

We make t-shirts out of the t-shirts you already own. Collected in Rotterdam, spun into yarn, knitted in Portugal.

See the collectionHow a shirt comes back

Make it yours

Four old shirts go in. Change the dye and the shirt below is re-spun in front of you.

Pick a dye batchBody in Bone. Four shirts: Bone x3, Chalk.

How a shirt comes back

Nineteen days from the collection point to your door. The receipt below is the real one: four shirts in, one shirt out, and nothing new bought in.

Days one and two — collecting

Shirts collected at six Rotterdam drop points2 days
Sorted by colour, size and wear1 day
Unwearable shirts sent to the panel makerSame day

Days three to six — fibre

Tops shredded into 8 mm flecks1 day
Blended, carded and spun into yarn3 days
Yarn lot weighed and labelled by batch—

Week two — knitting

Jersey knitted on 24 gauge machines5 days
Cut, sewn and labelled at Keileweg3 days

Week three — out

Folded, checked and posted1 day
Shipped within two working days2 days

One t-shirt. Four t-shirts' worth of fibre. Nineteen days, door to door.

A ring mill engine at work, Ellenroad, Greater Manchester, 2023. Ridiculopathy, CC0, via Wikimedia Commons.

Six shapes, and a cap

Every piece starts as four shirts. The first three you already know; the rest are what we make when a batch lands on the sorting table.

Cirrus

€44

Boxy · 240 gsm

Bone · marled

Terra

€58

Regular · 300 gsm

Bone · marled

Loop

€46

Regular · 240 gsm

Ochre · marled

See all seven pieces

What it adds up to

Container cranes on the quay at the Amazone harbour in the port of Rotterdam.
14,800shirts collected since 2021, and counted
92%of our fibre comes from within 150 km of Rotterdam
4
old t-shirts go into every new body
0
virgin cotton, and no polyester blends
9,240 kg
of textile waste kept out of incineration in 2025
19 days
from the collection point to your door

Seven people on Keileweg

A sorting floor, a sewing table and a small spinning room, all on the same street, all within walking distance of the tram.

Rows of bobbins on a spinning room floor with workers standing along the line.
A spinning room, rows of bobbins. State Government of Victoria, CC0, via Wikimedia Commons.

The studio

  • Joost Marseille — Founder, sorting floor
  • Nienke Boersma — Founder, sewing
  • Rafal Kowalczyk — Fibre and spinning
  • Samira El Amrani — Production
  • Tomas Vogel — Pattern and quality
  • Iris Bekker — Take-back and community
  • Willem Vink — Wholesale and press

Collection points

  • Hekwerk, Keileweg
  • Wasbas, Katendrecht
  • De Kring, Kralingen
  • Sterker Thuis, Charlois
  • Het Pakhuis, Spijkenisse
  • Buurtkast, Hillegersberg

The mill

  • Santahar.pt — Barcelos — knitting, 24 gauge

Stockists

  • Hekwerk — Rotterdam, Keileweg
  • Katoen en Co — Amsterdam, De Pijp
  • Wat Schot — Utrecht, Oudegracht
  • De Dok — Antwerpen, Zuid
  • Spinnerei — Berlin, Kreuzberg

Seven pieces, made from shirts you already own.

See the collection

Pick a dye batchBody in Bone. Four shirts: Bone x3, Chalk.