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Black Denim Gets Sustainable Upgrade from G-Star Raw

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Black denim, a staple in fall/winter collections, is getting a sustainable upgrade from Dutch brand G-Star Raw just in time for the colder weather.

Next month, the brand will debut a line of black denim that it’s calling the most sustainable of its kind.

With Cradle to Cradle (C2C) Gold certification, it’s the world’s first black denim fabric to meet the rigorous standards of circular fashion. The brand worked with longstanding industry partners Archroma and Artistic Milliners—the mill G-Star tapped to created its first C2C certified denim fabric—to design the product for circularity.

The Relz Black Denim O fabric features 100 percent organic cotton and uses people- and planet-safe black liquid dyestuff and pigment coating that leaves behind water effluent that’s recyclable and easy to clean. The color application was pared down from the standard eight to 10 steps to just five steps that in turn reduces the consumption of water by 52 percent, energy by 65 percent and chemicals by 14 percent, while emitting 71 percent less carbon dioxide.

The collection features eight styles, with a slim jean for men and a double-breasted coat, pencil skirt, bomber jacket and a variety of jeans for women—all featuring sustainable black denim.

Recently, the industry has embraced the classic appeal of black jeans, with brands such as White House Black Market shifting its focus to black denim and Spanish denim mill Tejidos Royo introducing foam dyeing technology specifically for black denim.

G-Star Raw’s sustainable offering will be available in stores and online beginning Nov. 11.

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