There is no clear information in the search results about the product details, positive, negative, ingredients, or materials of sweatpants or hair ties. The search results include information about how to roll up sweatpants with a hair tie, a hair tie headband made from plant-based materials, hair tie hacks, and an article about the fashion industry and sweatpants. However, none of these sources provide specific information about the product details, positive or negative aspects, or materials of sweatpants or hair ties. The fifth search result appears to be unrelated and may be a spam website.