I of course understand that it would be difficult and time consuming to collect this information, however, India recently forced companies, including Amazon, to display country of origin, so might be able to scrape the information from their sites.
So slow fashion aims to be the opposite, to slow consumerism (sustainable working conditions, materials, emphasis on locality where possible, etc). Obviously more expensive as new clothes removes the mass production [sweatshop] element and uses higher quality materials that won't fail as quickly. As sibling comment says second hand clothes are major part of this
