Which Fabric Mix Make Denim Stretchable?

Stretch denim is a relatively new type of denim cotton (or sometimes a cotton/polyester blend) that incorporates a small amount of elastane, a stretchy, synthetic fiber — also known as Spandex or Lycra — into the fabric.

What material makes denim stretchy?

According to the experts over at Denimology, stretch jeans are actually made using “elastane, a stretchy, synthetic fiber, also known as Spandex, or Lycra.” They're typically one to three percent elastane. So, just know that you're basically walking around in cotton Spandex when you wear stretch jeans.

How can I make my jeans stretchable?