High-end winter apparel with plant-derived textiles made using microbial fermentation technology, a process similar to brewing beer.

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After nearly a decade of working together on one-off items and limited releases, Japanese outerwear brand Goldwin and biotechnology venture SPIBER have teamed up for their first full collection. Based around a “Regenerative Circle” concept, the collection features nine items created from SPIBER’s signature Brewed Protein, a circular textile production process with a minimal environmental footprint.
Featuring earthy shades like moss green, stark black and cream, the collection consists of nine items: a ski-inspired coat, trench coat, hoodie, sweater, crewneck sweatshirt, warm down shirt, long-sleeve shirt, slim-cut tech pant and even a duo of denim items, namely a work shirt and work pants. Each is made from the aforementioned Brewed Protein material, manufactured through a Spiber technology platform that ferments its plant-based ingredients and allows for customized molecular engineering. In a March interview with guestcn, Goldwin 0 designer Julia Rodowicz described Brewed Protein as “[combining] the smoothness of silk, the warmth of wool and the strength of an armor while being developed with a minimum water usage.”
“The fun part is that it can be spun and woven or knitted into fabrics of all kind: waterproof shell, sturdy denim, fluffy chenille, soft cashmere-like,” Rodowicz said. “The possibilities are endless. Fun fact: SPIBER is brewed in a similar way beer is!”
Expect the full Goldwin x SPIBER collection to release via Goldwin’s webstore on September 29 and for Goldwin to produce even more SPIBER products in the future, as it aims to shift 10% of its overall production to Brewed Protein by 2030.