Elastane

a man-made fibre containing at least 85% polyurethane which is capable of high stretch followed by rapid and substantial recovery to its unstretched length. (See also elastomer; elastomeric yarn.)
Found on http://www.textilesintelligence.com/glo/index.cfm?SECTION=E

Elastane

A synthetic fibre best known as 'Lycra' used for stretch in clothing. Blended with other fabrics most commonly or can be used alone. Stronger than rubber
Found on http://www.gooutdoors.co.uk/glossary

elastane

highly elastic artificial cotton-like fabric
Found on http://phrontistery.info/e.html
No exact match found