PROBLEM TO BE SOLVED: To provide lower half body underwear which allows even a wearer having a handicap in legs and a lower back to easily put on and take off in evacuation.SOLUTION: Lower half body underwear 1 is composed of: a rear body section 40 a belt-like body 41 attached on an outer lower part of the rear body section in a shape with a longitudinal direction along a gluteal sulcus of a wearer a front body section 10 continuing to both edges of the rear body section and a crotch cloth 50 continuing to a lower edge of the rear body section. The front body section is composed of a right front body section and a left front body section so as to be opened to right/left from a center with right/left edges as an axis. The right front body section includes a right/left engaging member and a right crotch engaging member. The left front body section includes a right/left engaged member engageable with the right/left engaging member and a left crotch engaging member. The crotch cloth includes a right engaged member 51 and a left engaged member 52 engageable with the right crotch engaging member and the left crotch engaging member respectively. The belt-like body has flexibility and is attached by being fastened on an outer face of the rear body section at both edges in a longitudinal direction while enabling a wearer to insert a portion from a fingertip to a wrist between the belt-like body and the rear body section.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2016,JPO&INPIT【課題】用を足す時等に足腰の不自由な人でも、容易に着脱可能な下半身用下着を提供すること。【解決手段】後身頃40と、着用者の臀溝に長手方向が沿った形で後身頃の外面下部に取着する帯状体41と、後身頃両端部に連接する前身頃10と、後身頃下端に連接する股布50と、からなる下半身用下着1であって、前身頃は、左右の端部を軸に中央から左右に開閉可能なように、右前身頃と左前身頃からなり、右前身頃は、右左係合部材と、右股係合部材を有し、左前身頃は、右左係合部材と係脱自在な右左被係合部材と、左股係合部材を有し、股布は、右股係合部材と左股係合部材にそれぞれ係脱自在な右股被係合部材51と左股被係合部材52を有し、帯状体は、伸縮性を有すると共に、後身頃との間に着用者の手先から手首までが挿入自在なように、長手方向両端部が前記後身頃の外面に固着することで取着されていることを特徴とする、下半身用下着。【選択図】図1