| 摘要 |
A sock (10) comprises a sole portion (24) knitted with successive courses of yarn with a thickness defining an outer layer having a first surface, which further includes a number of spaced ribs (36) extending in longitudinal direction between the heel (16) and toe (20) each formed by knitting a selected number of additional courses of yarn which extend from the first surface in a direction toward the instep portion of the sock (10) in a position to contact the plantar surface of the foot. Individual ribs (36) are either continuous in the transverse direction, or discontinuous, in which case transverse spaces (44) are formed therealong inbetween sections of stitched yarn. The longitudinal space (44) between adjacent ribs, and the transverse spaces within individual ribs (50), are of sufficient width to induce the skin of the plantar surface of the foot to at least partially extend therein so as to enhance the frictional engagement of the foot with the sock.
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