UK fashion designer Stella McCartney has partnered with Italian denim manufacturer Candiani Denim to launch what they claim is the world’s first biodegradable stretch denim made from plant-based yarns.

The new line uses Coreva stretch technology, which is created using organic cotton wrapped around a natural rubber, producing a fabric that is free from plastics and micro-plastics. It will be introduced in McCartney’s autumn/winter 2020 collection in May.

“In a world where resources are diminishing and landfills are overflowing with discarded garments, it’s our duty to look for renewable resources, in addition to biodegradable and compostable materials,” Alberto Candiani, owner of the Candiani family mill, said in a post on Instagram. “Denim has to take the lead as the indigo flag of this revolution and we are thrilled to be working alongside Stella McCartney to share our innovation and beliefs with the wider fashion industry.”

@stellamccartney (pictured right) has introduced the worlds first biodegradable stretch denim made from plant based yarns for her AW20 collection ?????? ????The fabric is created by @candianidenim using organic cotton wrapped around a natural rubber – free from plastics and micro-plastics. Alberto Candiani, owner of the Candiani family mill says “In a world where resources are diminishing and landfills are overflowing with discarded garments, it’s our duty to look for renewable resources, in addition to biodegradable and compostable materials. Denim has to take the lead as the indigo flag of this revolution and we are thrilled to be working alongside Stella McCartney to share our innovation and beliefs with the wider fashion industry”. . . The denim will be available in-store and online globally from May 2020. . . #repost @financialtimesfashion #sustainablefashion #sustainableliving #sustainability #ecofashion #denim #ftfashion #financialtimes #news #biodegradable

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It is understood the new denim fabric will be dyed with a biodegradable ingredient derived from mushrooms and seaweed called Kitotex Vegetal, and Indigo Juice, which keeps the indigo superficial on the yarn. Both are said to reduce the consumption of water, energy, and chemicals used in the dyeing and laundry processes.

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