| 摘要 |
<p>The present invention provides a comfortable sock free from tightness in a sole portion. A sock is constructed so that a bottom extension portion in which the number of courses on the side of a sole portion is larger than that on the side of an instep portion is formed between a toe portion and a heel portion, and length in the longitudinal direction of the sole portion is larger than that of the instep portion.</p> |
