PROBLEM TO BE SOLVED: To provide a pair of trousers having a crotch part with an easily openable/closable opening and preventing exposure of wearers legs through a gap of the opening.SOLUTION: A trousers 1 includes: a front body and a back body 3 having a removable crotch part at the inside-thigh a fastening fabric 4 attached to the right/left crotch parts in either of the front body or the back body 3 a pad cloth attached to the right/left crotch parts in the body different from the body attached with the fastening fabric 4 and crotch engaging means which are removably attached to positions facing each other in the body attached with the fastening fabric 4 and the pad cloth.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2016,JPO&INPIT【課題】股下部分の開口部の開閉が容易で、且つ開口部の隙間から着用者の脚が露出しにくいズボンの提供を目的とする。【解決手段】ズボン1について、内股の股下部分が分離可能な前身頃および後身頃3と、前身頃あるいは後身頃3のいずれかの左右の股下部分に設けられた留め布4と、留め布4を設けた身頃と異なる身頃の左右の股下部分に設けられた当て布と、留め布4と、当て布を設けた身頃との互いに対向する位置に設けられた、互いに着脱可能な股用係止手段と、を具えるように構成した。【選択図】図1