I bought these for a job interview, but I haven't used them much since then, using them a total of about 5 times. They have been cleaned and stored in a closet. These are M-size slacks made of a polyester blend, offering a comfortable fit. - Size: M - Material: 69% Polyester, 16% Rayon, 10% Nylon, 5% Polyurethane Thank you for looking. Color: Navy系 (Navy-based) Stains, tears, odors, etc.: None