A pants-shaped absorbent article having an up-down direction, a left-right direction, and a front-back direction that intersect each other, and having a waist opening (BH) and a pair of leg openings (LH), the pants-shaped absorbent article comprising: an absorbent main body having an absorbent core ; and an exterior member joined to the absorbent main body , the exterior member having an overlaid portion in which a first sheet member , a second sheet member , and a third sheet member are overlaid in order from a skin side to a non-skin side in a thickness direction, the first sheet member and the second sheet member being joined by being intermittently welded in a plurality of welded portions , an elastic member being arranged between the second sheet member and the third sheet member , the second sheet member and the third sheet member being joined using an adhesive; wherein a length of the second sheet member in the up-down direction is shorter than a length of the first sheet member in the up-down direction, and the plurality of welded portions are formed so as to straddle at least one end portion in the up-down direction of the second sheet member in a portion in the left-right direction. having an up-down direction, a left-right direction, and a front-back direction that intersect each other, and having a waist opening (BH) and a pair of leg openings (LH), the pants-shaped absorbent article comprising: an absorbent main body having an absorbent core ; and an exterior member joined to the absorbent main body , the exterior member having an overlaid portion in which a first sheet member , a second sheet member , and a third sheet member are overlaid in order from a skin side to a non-skin side in a thickness direction, the first sheet member and the second sheet member being joined by being intermittently welded in a plurality of welded portions , an elastic member being arranged between the second sheet member and the third sheet member , the second sheet member and the third sheet member being joined using an adhesive; wherein a length of the second sheet member in the up-down direction is shorter than a length of the first sheet member in the up-down direction, and the plurality of welded portions are formed so as to straddle at least one end portion in the up-down direction of the second sheet member in a portion in the left-right direction. an absorbent main body having an absorbent core ; and an exterior member joined to the absorbent main body , the exterior member having an overlaid portion in which a first sheet member , a second sheet member , and a third sheet member are overlaid in order from a skin side to a non-skin side in a thickness direction, the first sheet member and the second sheet member being joined by being intermittently welded in a plurality of welded portions , an elastic member being arranged between the second sheet member and the third sheet member , the second sheet member and the third sheet member being joined using an adhesive; wherein a length of the second sheet member in the up-down direction is shorter than a length of the first sheet member in the up-down direction, and the plurality of welded portions are formed so as to straddle at least one end portion in the up-down direction of the second sheet member in a portion in the left-right direction. <EOS>