Stella McCartney S-Wave trainer campaign image

Stella McCartney Partners with Balena’s BioCir®Flex on S—Wave Sport Trainer
Now Available to Purchase

Stella McCartney x Balena

Balena is proud to collaborate with Stella McCartney, a pioneer in responsible luxury and material innovation. Across multiple collections, Stella McCartney continues to explore Balena’s next-generation materials that combine performance, design, and circular thinking.

Our BioCir® Flex material has been used across Stella McCartney collections, supporting the brand’s commitment to innovative materials that reduce reliance on conventional plastics while maintaining performance.

Stella McCartney Autumn 2025 S-Wave footwear top view

BioCir®Flex is a next-generation material that combines high-performance capabilities with environmental responsibility

Compostable & Recyclable

Compostable & Recyclable

Designed for circularity, BioCir®Flex biodegrades into renewable biomass when composted in industrial facilities or can be recycled for continuous use.

Bio-based Innovation

Bio-based Innovation

Made from sustainable sources like castor beans, oils, and polysaccharides, ensuring it does not compete with food resources.

Dyed Naturally

Dyed Naturally

The S-Wave Sport trainers incorporate BioCir®Flex dyed with natural cinnamon, highlighting its non-toxic properties.

Durable & Flexible

Durable & Flexible

As durable as TPU and as flexible as rubber, it absorbs impact and responds to motion, making it ideal for footwear.

“I mean this is insane. My shoe designer came up to me and said, ‘smell the sole’. It’s made of cinnamon waste. It smells of cinnamon! And it's basically 100% plant based, recyclable and biodegradable textile. Its a closed-loop production, so it ensures completely zero waste. It is mindblowing.”

[ Stella McCartney ]

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