INSOLE

Japanese Patent JP2023183041

A

To provide an insole which has sufficient air permeability in an entire sole to hardly cause stuffiness and has sufficient gripping properties between the sole and the insole.SOLUTION: In an insole 1, a plurality of protruding parts 4 are formed side by side on a surface through a groove 6, and a part from an apex of the protruding part 4 to a bottom part of the groove 6 is connected by an inclined part. In the insole in the invention, the protruding part preferably has a diamond shape, a triangle, or a circle. In the insole in the invention, preferably, a height H of the protruding part is 0.05 to 2.0 mm, a width W1 of the groove is 1.0 to 2.0 mm, and a width W2 of the inclined part satisfies the formula :W2