Authentic product purchased from the official website. Size: L Perfect for those who want to try it out! I felt it was easier to stand with my pelvis upright! reset leggings Percy Reset Leggings "Instant age-defying beautiful legs with pelvic floor care." Supervised by Mr. Koreeda, the owner of a pelvic care salon, this is the first product from Percy, the [Reset Leggings]. Equipped with a "pelvic belt," it's a compression legging unlike any other, achieving pelvic care and beautiful leg care simultaneously. Proven to "increase calorie consumption" and "increase muscle activity," you can expect solid results. ■ Calorie Consumption Rate [Maximum: 120.3% UP, Median: 105.7% UP] ■ Muscle Activity [Maximum: 135.5% UP, Median: 107.5% UP]