Why is denim so much more rigid and stiff than other twill fabrics?

A

austin

New member
Why is denim so stiff and rigid, especially compared to other twill fabrics? Also, is there some special type of cotton yarn used in denim manufacturing, because when I ripped a pair of jeans and looked closely at the individual yarns, they seemed very rough and easy to pull apart, not like a similar sized yarn used to knit a cotton sweater or shirt for example.
 
Depends entirely on the yarns used. The weft or filling yarns are generally undyed and poorly twisted, which is what I think you're seeing. The warp yarns are typically fairly tightly twisted. Most cotton twills have similar yarns in warp and weft.
 
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