Elastic

 Flexibility - the ability to stretch, stretch and return to its original position. Fabrics containing elastic filaments (e.g., Lycra spandex), also called elastic. They are widely used in the manufacture of clothing, which is to encircle the figure and it does not constrain movement - for example, underwear, swimwear, hosiery and sports equipment.
Modern light industry produces elastic tissue that stretch either in one direction (transverse or longitudinal), or in two, the second is called - bielastichnye.