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High Quality Content by WIKIPEDIA articles! Spandex, Lycra or elastane, is a synthetic fiber known for its exceptional elasticity. It is stronger and more durable than rubber, its major non-synthetic competitor.[citation needed] It is a polyurethane-polyurea copolymer that was invented in 1959 by chemist Joseph Shivers at DuPont's Benger Laboratory in Waynesboro, Virginia. The material was patented by the Spanjian brothers?Robert and Richard?and was further used in their company, Spanjian Sportwear[citation needed]. When first introduced, it revolutionized many areas of the clothing industry.The product name "Spandex" was given to the Spanjian family after DuPont recognized their contributions. "Spandex" is the preferred name in North America; in many European countries it is referred to as "elastane".