This is a Uniqlo salopette. The size is 150, but it runs large, and I think it can be worn by people who usually wear a size M. Actual measurements: waist (elastic only on the back) approx. 37 cm, rise approx. 47 cm, inseam approx. 57 cm. The fabric is soft, made of 67% rayon and 33% linen. - Color: Beige - Design: Straight leg - Size: M Thank you for looking.