用探索太空的材料做了条「抗寒卫裤」，御寒保暖效果有多牛？

Core Viewpoint - The article highlights the innovative use of aerogel, a material originally developed for space exploration, in the production of thermal pants, emphasizing its superior insulation properties compared to traditional cold-resistant pants [1][22][26]. Product Features - The pants feature a combination of thick cotton outer layer and warm plush inner layer, providing enhanced comfort and warmth [3][20]. - A protective layer of aerogel is specifically added to the knee area, which is prone to cold, effectively doubling the warmth [4][20]. - The pants are designed to be comfortable and stylish, with a fit that does not constrict the body, making them suitable for various body types [20][44]. Performance Testing - In a temperature drop test using a cooling spray that reached -20°C, the aerogel pants maintained a temperature above 15°C, while regular cold-resistant pants dropped below 0°C within seconds [8][10]. - The pants were also tested against dry ice at -78°C, showing that the inner layer remained warm even after half an hour of exposure [12][13]. Market Response - The previous version of the aerogel pants received excellent feedback, leading to high sales volumes, with many customers purchasing multiple pairs at once [15]. - The latest model has been upgraded for comfort and is offered at a promotional price of 139 yuan, lower than the official price of 159 yuan [17][19]. Material Innovation - Aerogel is recognized as one of the top ten materials that could change the 21st century, with over 80% of its composition being air, making it an ideal insulator [23][29]. - A 18mm thick layer of aerogel can withstand extreme temperatures ranging from 1300°C to -130°C, showcasing its remarkable thermal resistance [26]. Design and Usability - The pants feature a 3D one-piece cut in the crotch area to prevent discomfort during movement, making them suitable for various activities [46]. - The waistband is designed with an adjustable drawstring for convenience, and the cuffs are elastic to prevent cold air from entering [61][63]. - Available in both men's and women's sizes, the pants come in black and gray, catering to different style preferences [65].