Abstract: Provided is a bottom garment that does not inhibit ease of movement during action, and has a large pivot effect with respect to the knee. A bottom garment according to the present invention includes elastic yarn and is configured of a body fabric and an inner fabric, wherein the inner fabric is superposed on the inside of the body fabric, the bottom garment having a double structure in which at least a portion of the inner fabric is not joined to the body fabric. The bottom garment is characterized in that 0.1?A/B<1.0 is satisfied, where A is the stress upon 80% elongation in the vertical direction of a product of the inner fabric, and B is the stress upon 80% elongation in the horizontal direction of the product of the inner fabric.

Abstract: Provided is a bottom garment that excels in wearing feel and which, by being worn, enables efficient walking. A bottom garment according to the present invention is configured from a body fabric that includes an elastic yarn, wherein the bottom garment is characterized in that: an inner fabric is superposed on the inside of the body fabric, and there exists a double structure in which at least a portion of the inner fabric is not bonded to the body fabric; and the weft-direction stress of the inner fabric when 50% elongated is 0.3-1.6 times the weft-direction stress of the body fabric when 50% elongated.