Social Dance Dance Lesson Wear It has a knit-like texture, but it's polyester. Size: M to L Length: Approximately 53cm (from the back collar) Width: Approximately 44cm (underarm) Shoulder width: Approximately 37.5cm (with shoulder pads) Sleeve length: Approximately 51cm This was kept by a family member who was taking dance lessons. It has been worn a few times, and there is no noticeable damage, but please understand and agree to the fact that it has been stored at home for a period of time before purchasing. No price reduction.