The Pioneers of Recycled Fiber
The cenciaioli of Prato
Somewhere in a mill building on the outskirts of Prato, a woman is running her hands through a pile of sorted cashmere. The fiber is loose, still warm from the shredding machine, the color of pale smoke. She is checking for consistency, for contamination, for the small flaws that would make this batch unsuitable for fine yarn. Her mother did this work. Her grandmother did this work. Her great-grandmother almost certainly did this work, too, though by then the record gets thin.
She is one of the last of a trade that built this city. The cenciaioli, the rag workers of Prato, have been recovering and regenerating textile fiber at industrial scale for more than 150 years, and the city's relationship with recycled cloth reaches back further still. Their craft is older than mass-produced ready-to-wear, older than synthetic dyes, older than the idea that a garment should be new. And it is the craft that, quietly, every skein of eco cashmere is built on.
How it began
Prato is a small city in Tuscany, about twenty kilometers northwest of Florence. For most of its history, it was a modest wool-weaving town, and the Bisenzio River running down from the Apennines is the reason it could compete with larger centers. The river powered the mills, drove the fulling hammers, and supplied the water needed to wash and finish wool. Everything else, the expertise, the merchant networks, the specialized workshops, was built around that geological advantage.
The city's turn toward recycled fiber has deeper roots than the industrial era. In 1512, after Prato was sacked by Medici forces, Florence's wool guild forbade the city from producing fine cloth to protect Florentine commerce. Rather than abandon the trade, Pratese artisans pivoted to what was available: coarser wools, short fibers, rags. That early adaptation, born from a political restriction, laid the foundation for a city that would eventually build an entire industry around materials others saw as waste.
The industrial version of that trade came later. In 1813, an English inventor named Benjamin Law developed a process for shredding worn wool garments back into usable fiber. The technique, called shoddy, spread across Yorkshire and then, over the following decades, to the rest of Europe. In 1850, a Neapolitan named Count Temistocle Biaggio established the first dry-regenerating plant in San Martino di Prato. Within a generation, Pratese merchants were traveling across Europe, buying up worn garments, discarded uniforms, and textile scraps, bringing it all back to Prato and building an industry around turning it into something new.
The word for the people who did this work was cenciaioli, from the Italian cencio, meaning rag or scrap. A cenciaiolo was, literally, a rag man. But in Prato the term came to mean something more specific, a worker in the regenerated-fiber trade, someone who understood that old cloth was not trash but raw material.
The craft itself
The work of a cenciaiolo looked like this. Bales of worn clothing would arrive at sorting houses in the city. Inside, rows of workers, most of them women, would unpack the bales and sort the garments by hand. Wool went in one pile, cotton in another, mixed fibers in another. Then, within wool, the sorting went further. Dark browns here. Soft grays here. Heathered blues here. Different grades of the same color. Fine merino separated from coarse carpet wool.
The sorting was the craft. A skilled cenciaiola, the feminine form of the word, could identify the fiber content of a garment by feel. She could distinguish pure wool from a wool-cotton blend by the way it resisted between her fingers. She could judge, by the wear on a coat's elbows, how much usable fiber remained. She could look at a pile of mixed garments and know, without testing, which ones would produce soft yarn and which ones would produce felt. That knowledge took years to build and was largely impossible to write down. It was passed between hands, from one woman to the next, across generations.
Once sorted, the garments went to the shredding machines, called garnetters or carbonizers, which tore the cloth back down into loose fiber. The fiber was then washed, carded, and respun into yarn. The whole process, from worn coat to finished skein, might take a few weeks and pass through a dozen sets of hands.
What made the system extraordinary was its completeness. Prato was not recycling a small fraction of its production. For most of the late nineteenth and twentieth centuries, the city's recycled fiber output rivaled or exceeded its virgin output. Today, roughly 80% of the Prato district's carded wool production comes from regenerated fiber, and the city remains the largest center of recycled wool production in the world.
The women at the center of it
The cenciaioli trade was never glamorous. The buildings smelled of lanolin and dust, the work was physically demanding, and the wages were low. For generations the trade was dominated by working-class families who lived in the neighborhoods around the mills, and within those families, by women.
Sorting, in particular, was women's work. Sorting houses employed hundreds of women at a time, many of them starting young, working alongside their mothers and aunts. They were paid by the piece. They developed, as the men often did not, the tactile literacy that the whole industry depended on. Elder workers in the trade are still known for being able to identify fiber type, weight, and quality by touch alone, after decades of practice.
These women are not in most histories of Italian industry. They do not appear in the trade magazines or the merchant records. But the knowledge they carried was the actual substance of the craft, and every regenerated yarn spun in Prato today, including ours, is downstream of their expertise.
The return
The trade survived the Industrial Revolution, two World Wars, and the arrival of rayon and early synthetics. What nearly killed it was polyester.
Beginning in the 1960s and accelerating through the 1970s and 80s, cheap synthetic fibers and globalized manufacturing made virgin material so inexpensive that recycling briefly looked obsolete. Why pay to collect, sort, and regenerate old cloth when a container of new polyester could arrive from East Asia for less than the cost of the labor? Prato's mills contracted sharply. In the 1980s alone, the district lost roughly a quarter of its workforce and a third of its companies. Sorting houses closed. Families left the trade for other industries. For a generation, the craft looked like it might disappear.
What saved it, improbably, was sustainability. By the late 1990s and through the 2000s, European fashion brands began looking for supply chains they could defend against growing environmental scrutiny. Regenerated fiber, which had been a cost-cutting measure for most of its history, was suddenly a virtue. Prato was one of the only places in the world with industrial-scale expertise in doing it well. The city's mills began rebuilding their recycled lines, often using the same buildings and machines that had nearly been decommissioned a decade earlier.
The Cardato Recycled certification was established by the Chamber of Commerce of Prato in the early 2010s, formalizing and protecting the expertise the city had been practicing, mostly without protection, for more than a century. The certification requires a minimum of sixty-five percent regenerated fiber content and full life cycle documentation. Every skein of our eco cashmere is produced under this standard.
Why it matters now
The women working in Prato's mills today are not preserving a dying craft. They are practicing a living one. The demand for responsibly made fiber is greater now than at any point in the trade's history, and the expertise that makes recycled cashmere feel as soft as virgin cashmere, that makes the colors land cleanly without heavy dyeing, that makes the yarn hold its structure after years of wear, is the same expertise that was passed down across the nineteenth and twentieth centuries.
The cenciaioli were not environmentalists. They did not set out to reduce carbon emissions or conserve water. They were craftspeople who understood, for more than 150 years before the circular economy had a name, that good fiber deserves more than one life. That belief is still the foundation of the yarn we sell.
When you knit with our eco cashmere, you are knitting with the accumulated skill of generations of people, mostly women, mostly unnamed, who spent their lives learning how to recover what others had discarded. It is not a modern idea dressed up for a new market. It is among the oldest ideas Prato has.
For further reading on the history of Prato: the Museo del Tessuto in Prato, the Prato Chamber of Commerce, and Italy Segreta's ongoing coverage of the district.