Synthetic fibre known for its elasticity
"Lycra" redirects here. For the Lycra company, see
Shandong Ruyi.
Spandex, Lycra, or elastane is a synthetic fiber known for its exceptional elasticity. It is a polyether-polyurea copolymer that was invented in 1958 by chemist Joseph Shivers at DuPont.[1][2][3]