Although it is new and unused, it has been opened once. This is an authentic product purchased from the official website. Size: L If you'd like to try it out, please do! I felt that it was easy to stand with my pelvis upright! reset leggings Percy Reset Leggings "Instant ageless beautiful legs with pelvic floor muscle care." Supervised by Ms. Koreshida, the owner of a pelvic care salon, Percy's first product, the [Reset Leggings], is equipped with a "pelvic belt" and is a compression leggings that has never existed before, allowing you to achieve pelvic care and beautiful leg care simultaneously. It has been proven to "increase calorie consumption" and "increase muscle activity," and is a gem that you can expect to be effective. ■ Calorie Consumption Rate [Maximum value: 120.3% UP, Median value: 105.7% UP] ■ Muscle Activity [Maximum value: 135.5% UP, Median value: 107.5% UP]