| 摘要 |
PROBLEM TO BE SOLVED: To provide socks capable of improving blood circulation in the sole while having excellent fit feeling. SOLUTION: The sock has a structure of setting an expanding part which wraps a projecting part at a part corresponding to a projecting part on the sole, such as a ball of the foot, so even a sock having a size large enough to have sufficient fit feeling has the sole projecting part released to the expanding part. The sole projecting part is an area which receives the largest compression force when walking, and can be released up to a condition of receiving almost no compression by wrapping the area with the expanding part. As a result of this, it is possible to repeat compression and release with big difference like when walking with bare foot, and improve blood circulation in the sole. COPYRIGHT: (C)2007,JPO&INPIT
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