Patent ID: 7487555

Claim:
A sock, comprising: a tubular section which has a foot-insert section; a toe section for covering toes and which is connected to the tubular section, said toe section being knitted into a flat tubular shape, said toe section including a sole section covering a bottom part of the toes and an instep section covering a top part of the toes, said sole section having a first end at a tip of the toes and a second end at the root of the toes; and a bulge section formed in a middle part of said sole section between said first end and said second end of said toe section, wherein when forming the bulge section, with the knitting location being held fixed, the knitting needles are gradually decreased, and thereafter, they are gradually increased; wherein said bulge section is formed such that it has an arc shape that protrudes vertically downward when the sock is not worn; and wherein the sock is a fully completed article which is devoid of any openings other than said foot-insert section.