Please resize your window or rotate your device.

An icon demonstrating the rotation of a phone from landscape mode to portrait mode

A highly elastic synthetic fibre known for stretch

about
Elastane

Elastane gives clothes stretch, but complicates recycling and pollutes in the process

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.

Discover how we can help your team select better materials

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.

Discover how we can unify your design, product and sourcing teams with material guidance tailored to your needs.

No items found.