It's stretchy but doesn't contain any elastan! That's the point of the interlock structure. This black fabric feels soft, its extensibility gives the wearer freedom of movement and with a weight of 220 gr/m2 it drapes nicely. The interlock doesn't curl, which makes it easy to process. Because of these properties the fabric is used mostly for t-shirts, underwear, sportswear, casual wear and nightwear.