Denim is made from cotton: it is style of weave.
most cotton for denim is grown in the US, there are cotton bushes that are when in season look like cotton balls, then the cotton is turned into thread and woven to turn to denim
Cotton fibers from denim are used in insulation
Zimbabwean cotton; it's all the japanese use for their denim.
Denim is fabricated from cotton twill yarn.
Cotton.
It is made from cotton. Cotton is made from a cotton plant.
Denim is made up of chains of cotton threads.
Cotton thread is used in creating denim.
Denim cotton.
cotton
Denim is a weaving pattern, usually constructed of cotton. It is a twill with diagonal patterning. Denim wool may be wool woven in the denim pattern, or wool coloured like cotton denim, typically in some shade or mix of shades of blue.
jeans. Denim is a name for the blue dye 'jeans' cotton is dyed with, and a name for such blue dyed cotton itself.