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Blog
Indigo dyeing process: from plant extraction to industry standards
The iconic blue color of denim comes from the indigo dyeing process, which involves extracting indigo glycosides from bluegrass such as indigo and indigo, fermenting and reducing them to soluble indigo white, and then coloring them
18 Nov,2025
Environmental dilemma and innovative breakthrough of water washing process
Washing is a key process that endows denim with diverse styles, but traditional craftsmanship consumes an astonishing amount of water - each pair of jeans requires 7000 to 8000 liters of water throughout the production process
18 Nov,2025
The Evolution and Practical Functions of Five Pocket Design
The classic five pocket layout of jeans was finalized by Levi's in 1901, with the most controversial "fifth pocket" (a small pocket on the inside of the left back pocket) not designed for coins, but originally designed for gold miners to store pocket watches
18 Nov,2025
The raw material password for denim fabric: cotton usage and quality differences
The core material of denim clothing is cotton. Data shows that each standard raw cow (unwashed jeans) requires about 150 cotton balls, which can be made into 7 to 8 kilometers of cotton thread. A bundle of cotton can produce 225 pairs of jeans
18 Nov,2025
The origin of jeans and the legendary status of Levi's 501
In 1873, Levi Strauss and tailor Jacob Davis jointly obtained a patent for the use of copper rivets on work pants, marking the birth of the first modern pair of jeans. This pair of pants, named 'Waist Overalls', was later numbered 501 and became the best-selling denim model worldwide
18 Nov,2025