Patent ID: 8458925

Claim:
A safety shoe comprising: a sole unit; an upper body including an upper open end portion, a lower open end portion that is disposed under said upper open end portion and that is connected to said sole unit, and a vamp portion that is disposed between said upper open end portion and said lower open end portion; a protective toe cap disposed in said vamp portion of said upper body; and a welt unit mounted on said sole unit, surrounding said vamp portion, and having a stack of welt layers having different colors, a lowermost one of said welt layers having a bottom surface that contacts said sole unit, an uppermost one of said welt layers having a top surface that is opposite to said lowermost one of said welt layers; wherein a vertical distance between said top surface of the uppermost one of said welt layers and said bottom surface of the lowermost one of said welt layers is not smaller than 6 mm such that a portion of said vamp portion of said upper body is covered by said welt unit; wherein said welt unit has: a bottom welt layer formed with said bottom surface; and a top welt layer stacked on said bottom welt layer and having a base portion that is formed with said top surface and a flange portion that projects in a direction from an inner end of said top surface of said base portion away from said sole unit and that is disposed adjacent to said vamp portion of said upper body; wherein: said bottom welt layer of said welt unit has a base part and a flange part that extends inwardly from an inner end of said base part and that is clamped between said lower open end portion of said upper body and said sole unit, said base part and said flange part being formed cooperatively with said bottom surface; and said welt unit further has an inner peripheral surface that is formed on said flange portion and said base portion of said top welt layer and said base part and said flange part of said bottom welt layer, and that abuts against said lower open end portion of said upper body; and wherein said top welt layer and said bottom welt layer of said welt unit are connected integrally to each other.