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Elastane, also known as Spandex or Lycra, is a synthetic fibre made primarily from polyurethane. It provides stretch and shape retention in garments like leggings, swimwear, socks, and jeans. However, its production involves toxic chemicals, including isocyanates, which pose risks to worker safety and the environment if not properly managed.
Elastane is almost always blended with other fibres, complicating recycling processes and reducing circularity. It is non-biodegradable, and even small proportions (typically 1–5%) can hinder the recyclability of finished products.
We recommend prioritising natural fibres with inherent stretch, such as wool or cotton blends, or innovative regenerated fibres like TENCEL™ Lyocell for improved recyclability over elastane.
If your team needs support sourcing, talk to us to find out how we can help.
Material sourcing and treatments often carry hidden social, environmental, and animal welfare risks. We help brands understand what they're using, and what it means.
Materials and treatments are at the heart of every product. Bergstrand helps brands navigate these choices through clear guidance, structured tools, and practical workshops that embed sustainability into design and development.
Discover more →Our team know that it isn’t just about choosing materials that tick boxes, it’s also selecting materials that feel, behave and look the way they should.
With our core focus on fashion, performance and textiles, we offer advice in a way that doesn’t compromise on your product.
Find out more about what we can do for your brand.
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