Originally blue jean material denim was a strong material made of wool. In 1700, it was blended with cotton and later on it was made as 100 % cotton material. The name was derived from serge de Nimes which meant serge of Nimes, France. This material was used as sail cloth in ships and thanks to the innovative thoughts of some Genovese sailors who converted into genes which later became jeans. Indigo was a blue dye obtained from the indigo plant and was used as a dye from early times2500 B.C. This dye was imported from India till the twentieth century after which the synthetic dyes replaced the natural dyes. In earlier times denim and jeans were used to identify fabrics. Denim has a dyed warp yarn and a white weft, while jean had both warp and weft yarns dyed. 1.2

Interesting Facts About Blue Jeans The oldest pair of jeans was found in 1997 aged 100 years. Two styles of jeans were presented to the market as indigo blue and brown cotton duck, and the rst jeans were called waist overalls. Indigo color was chosen to hide the dirt on jeans. In total, 20,000 tons of indigo dye was produced annually to color jeans though only a few grams of indigo dye is sufcient to color one pair of jeans. A bale of cotton can produce up to 225 pair of jeans. The rst label to be attached to a Denim Recycling garment was a red ag attached to the back pocket of Levi Strauss jeans. A retailer named Limbo in New York East Village washed jeans to get the worn-out look, which became a great hit in the fashion eld.

About 37 sewing operations are necessary to construct Levis 501 model of jeans. Zippers were placed in the front of jeans for men and at the sides in jeans for women. Orange thread was trademarked and used for stitching of jeans manufactured by Levi Strauss and Company to enhance the copper rivets. Rivets were originally tted at the corners of all pockets to make them stronger. Complaints came in that rivets scratched saddles and chairs, and hence, they were removed at the back of jeans. The patent for blue jeans was obtained by Jacob Davis and Levis Strauss and company on May 20, 1873, to be considered as the birthday for blue jeans (Anonymous 2016a, b). On an average every American owns 7 pairs of blue jeans. Approximately 450 million pairs of jeans are sold in the USA every year, and over 50 % are manufactured from Asian countries like China, India and Bangladesh. Uses of synthetics as dyes and as elastane for skinny jeans have stepped into jean manufacturing. The popularity of je

The most expensive pair of jeans was sold for $250,000, and the longest pair of blue jeans was 68 m long (Anonymous 2016a, b).