The importance of the blue cloth worn by wranglers, cowboys, trappers soon splashed, first the US mainstream and then the world: James Dean, Marlon Brando and likes wore it, the Ted’s and the Poppers, only the Mod’s seemed to wanted to avoid the trend.
Not so Punk and also Hip-Hop.
here is a fun article on High Snobiety about the evolution of the jeans:
During the gestational era of hip-hop culture – recently fictionalized in Baz Luhrmann’s The Get Down and forever immortalized in the photography of Jamel Shabazz – the notion of casual denim dungarees was still in its infancy. The 1970s proliferated the idea of jeans as acceptable casualwear, bringing with it bell-bottomed silhouettes and DIY details like patches, ripped knees and decals.