The heat insulation flocculus with sandwich lamination structure is designed and studied in this paper, by use of choosi摘要通过对多种纤维的筛选与混合、多层絮片的设计与复合，研制了一种具有夹心式结构的新型保暖材料，旨在提高我国寒区解放军部队冬季用鞋的保暖性能。