Describing fashion trends is a difficult thing.
I want to give a big thanks to Prof Loe Feijs, Dr. Frank Delbressine and Prof Matias Rauterberg for the elective in Complex Adaptive Systems in Industrial Design at Eindhoven University of Technology. . Please follow their research at http://wiki.id.tue.nl/cas and google them for some amazing projects.
I’d also like to thank SolutionsLab.io for their great courses. If you want to learn about complexity systems theory on the internet, this is the place.
I achieved a 90% on their Complex Adaptive Systems exam. Learning about CAS is free, so go check it out.
This image by the Sartorialist says it all:
The Life of Fashion Trends 