This is the Alo Muse Sweatpant. Purchased from the official online store. I accidentally bought two of the same color, so I'm selling one. The size is S, but I think it's equivalent to a Japanese M. Fit: - Designed with a loose and relaxed silhouette. - Pockets on both sides and one pocket in the back. - Inseam length: 30 inches Material: - Soft and fluffy wide rib fabric - 74% polyester, 21% rayon, spandex