To provide an insole for solving the problems that there are many cases where a conventional method makes a size in a shoe small, and when wearing the shoe, the shoe becomes tight to give burden to the foot, and there has not been many effective methods.

The insole is such that floss silk excellent in heat insulation, moisture retention, and buffer feeling is inserted so as to wrap the tiptoe and sole, and even when wearing the sock or Tabi from the top of the insole, the shoe do not become tight, and temperature and moisture are retained, and stuffiness or shock from the shoe is softened.