Editing Radiant barrier (section)

===Textiles===
Since the 1970s,<ref name=":1" /> sheets of metalized polyester called [[space blanket]]s have been commercially available as a means to prevent hypothermia and other cold weather injuries. Because of their durability and light weight, these blankets are popular for survival and first aid applications. Swarms of people can be seen draped in reflective metalized film after a marathon, especially where the temperatures are particularly cold, like during the annual [[New York City Marathon]] which takes place in the fall.<ref>{{cite news|url=https://www.nytimes.com/2015/11/02/sports/lightweight-blankets-with-a-big-footprint-at-the-marathon.html?_r=0|newspaper=New York Times|date=1 November 2015|last=Cacciola|first=Scott|title=Lightweight Blankets With a Big Footprint at the Marathon|accessdate=13 February 2016}}</ref>