Denim Fabric | Deifference Between Denim and Jeans | Blue Jeans

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Denim is a durable, tightly woven, strong fabric in 3/1 or 2/1 twill weave with dyed warp yarns and white weft or filling yarns. Traditionally denim fabrics are dyed with indigo dyes but now a days various colorful denims are produced. Rope dyeing and Slasher dyeing is available for warp yarn dyeing. The yarns have a very strong twist to make them more durable, but this also affects the denim's color. The yarns are twisted so tightly that indigo dye usually colors only the surface, leaving the yarns center white. The blue strands become the threads that shown on the outside of your denim and the white are the ones that make the inside of your denim look white. This produces the familiar diagonal ribbing identifiable on the reverse of the fabric. The diagonal line goes right at 45 degrees angle. Denim has been used in USA for making blue jeans since late 1800s. The word "denim" comes from the name of a fabric that was first made in the city of Nîmes, France.  It was originally called serge de Nîmes but the name was soon shortened to "denim."

Denim fabrics are widely used for making blue jeans. In fact, there is not any fabric available as jean or jeans in world trade market as I know. Sometimes I saw jean is one kind of twill fabric where both yarns are to be dyed or 2/1 Right Hand Twill. But practically I never saw any fabric as jeans used by any brand. Indeed, Jeans is one kind of fashion where denim fabrics are used as well as Dungaree is a fabric also used for making jeans. Denim is much popular for blue jeans. In 1873 denim was used for jeans and invented by Jacob Davis and Levi Strauss. Jeans was first designed for workers cloth for high longevity, became popular among teenagers. 

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