Denim is a durable cotton twill fabric, characterized by its distinctive diagonal ribbing. This material is most commonly associated with blue jeans, which have become a staple in fashion worldwide. Denim’s unique weave and composition give it its strength, versatility, and iconic texture. The classic blue color of denim comes from indigo dye, which is applied to the warp threads (the vertical threads in the weave) while the weft threads (the horizontal threads) remain undyed, usually white. This gives denim its unique look, with the blue side showing the indigo-dyed warp threads and the reverse side showing the undyed weft threads. The dyeing process has evolved from natural indigo to synthetic indigo dye, making it more sustainable and cost-effective. Overall, denim is more than just a fabric—it's a cultural icon that continues to evolve, blending history, fashion, and innovation.
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