Is the costume of the American team in the Winter Olympics made of phase change materials?
No, the American down jacket in the Winter Olympics is a skyscraper intelligent thermal insulation material, and the clothing of the American team in the Winter Olympics is not a phase change material. Winter Olympics refers to the Winter Olympics, referred to as Winter Olympics, referred to as Winter Olympics. Mainly held around the world, it is the largest comprehensive winter sports meeting in the world. It is held every four years, alternating with the Summer Olympic Games from 65438 to 0994.