PROBLEM TO BE SOLVED: To provide an underpants type wearing article with improved strength in exterior bodies while keeping high air permeability, flexibility, and stretch property.SOLUTION: An underpants type wearing article includes: a belly side part 21 a crotch part 13 a back side part 23 and side seal parts 25 where the side edges 21A, 21B of the belly side part 21 are joined with the side edges 23A, 23B of the back side part 23. Exterior bodies 11 where first sheet materials and second sheet materials are laminated are arranged in the belly side part 21 and the back side part 23. The exterior bodies 11 have stretch property in a width direction. Each first sheet material has slit areas 71 where multiple slits 38 are arranged in a body height direction, and an array where the slit areas 71 are aligned at an interval is provided in the width direction of the first sheet material.COPYRIGHT: (C)2015,JPO&INPIT【課題】本発明は、高い通気性、柔軟性及び伸縮性を維持しつつ、外装体の強度を高めたパンツ型着用物品を提供する。【解決手段】腹側部21と股下部13と背側部23とを有し、腹側部21の側縁部21A、21Bと背側部23の側縁部23A、23Bとが接合されたサイドシール部25を有するパンツ型着用物品であって、腹側部21および背側部23には、第1シート材と第2シート材とを積層した外装体11が配され、外装体11は幅方向に伸縮性を有し、第1シート材には、スリット部38を身丈方向に複数配したスリット領域71があり、スリット領域71が間隔をおいて並ぶ配列を第1シート材の幅方向に有するパンツ型着用物品。【選択図】図1
