| 摘要 |
PROBLEM TO BE SOLVED: To obtain an internal material of shoe such as shoe side fabric, shoe insole member, etc., having improved heat retaining property and stuffy feeling, excellent comfortableness with nice heat retaining property and hygroscopicity especially in winter. SOLUTION: This internal material of shoe such as a shoe side fabric, a shoe insole, etc., is a structural body stuck with a highly hygroscopic fine particle and comprises at least 20 mass % of a hygroscopic and pyrogenic structural body having >=3 deg.C maximum temperature rise in moisture absorption. The internal material of shoe comprises a hygroscopic and pyrogenic structural body keeping heat generation in moisture absorption for >=30 deg.C minutes.
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