Elastane is the same as Spandex. Both are yarns that are knit/woven into fabrics, and contribute stretch and recovery properties to the fabric. Spandex is DuPontâs brand, elastane is the generic name.
In Latin 'Libra' are the symbol for the scales, hence the use of lb for weight (and lbs for the multiple),
lbs. redirects here. For other uses, see LBS. The pound or pound-mass (abbreviations: lb, lbm, lbm, # for most pounds, and â or â³Ì¶ specifically for the Apothecaries' pound) is a unit of mass used in the imperial, United States customary and other systems of measurement.