The origin of jeans 2

In people's minds, the classic pair of jeans should be like this: indigo, cotton twill, buttocks tight, low-cut short in the crotch design, legs slightly smaller, copy button, Ji hidden cables, patch pocket, nail plate and other decorations. However, the first pair of jeans is not just like we imagined it. Originator of the jeans - Levi, it launched the 501 jeans can be said for the classic jeans. Here we are in the process of its development to look back to the classic jeans from the birth of the changes:
1855 - After the first pair of jeans only one bag, and not York.
1872 - Pioneer jeans reinforced with metal rivets, the force area.
1873 - replaced by gray indigo jeans. After the bags decorated with orange stitching double arch.
1886 - Signs of the pattern of the lower back by a dwarf to two horses.
1890 - with bags and after a table of York.
1905 - plus a second back pocket, so far, five pocket jeans in the form of fixed down.
1922 - The additional belt loop waistband.
1937 - back pocket rivets are hidden inside.
1941 - canceled before the cardigan bottom jeans rivets. Remove the lower back during World War II and Table bags rivets bow, and then double-bag by stitching arch similar to printed graphics instead. A bay leaf instead of the copy button on the signs "LS & Co.SFCal.".
1947 - arch stitch reappear.
1950 - to be fashionable with the trend of the style of pants cut more weight.
1955 - began producing jeans with zipper 501.
1959 - developed through preshrunk jeans.
1966 - imposed after the horn section rod pocket instead of rivets short track.
1971 - red sign by the Cheung "LEVI` S "replaced by McNair" Levi `s".
1983 - looms as the technology improves, so width is widened, red pants edge disappear. Into the 90's, the rapid development of technology makes the process of jeans making greatly improved with the accumulation of time that perfect pair of jeans today, the structure obtained