Patent ID: 8205270

Claim:
A garment having a waist size adjusting mechanism, comprising: a moving cloth of a predetermined length attached to an inside belt portion of the garment via an elastic material so as to be movable along a waistband; a button stitched on the moving cloth with a predetermined length of a thread base or a neck-wrapping; a first buttonhole provided on an outside belt portion of the garment, and a second buttonhole provided on a front fabric of the inside belt portion of the garment, the button being passed through the second buttonhole from a rear side to a front side, the button being movable in accordance with the moving cloth as the moving cloth moves along the waistband against an elastic force of the elastic material, wherein the second buttonhole is an eyelet buttonhole having a round part provided at one longitudinal end of a straight part, away from an outer fold of the garment, the round part of the eyelet buttonhole being located at a position corresponding to nearly a center of the moving cloth when the moving cloth returns to an original position by the elastic force of the elastic material, wherein said inside belt portion includes a folded back portion which is folded at a return line to cover at least said eyelet buttonhole, said return line being perpendicular to a longitudinal direction of said inside belt portion, and wherein said garment further comprises an expansion preventing material attached on a first end to said inside belt portion at a first position of said inside belt portion and on a second end to said inside belt portion at a second position, said expansion preventing material traversing said return line and said eyelet buttonhole.