What are different types of denim?

Many different fabrics are referred to as denim however often incorrectly.

Trule denim is usually 100% cotton although earlier fabrics were woven from hemp.

The warp is indigo dyed and the weft is undyed and the fabric is woven into a twill weave usually 3/1 twill. Garments are usually constructed from loomstate fabric and washed or finished in many different ways depending upon the look desired.

Typically stone washing (using pumice or even brick) is a common finish but even hand sanding andresinating may be done