I wore these once, but they don't fit, so I'm selling them. The lining has built-in pelvic correction innerwear. The following is quoted from the HP: Ashiya Biseitai Slender Beautiful Legs Comfortable & Easy Pants Pelvic Slim Airy Pants. Supervised by Ms. Ayako Noutomi, a popular pelvic correction salon, Ashiya Biseitai. Pants designed to improve your style with built-in pelvic correction innerwear. By incorporating a power mesh pelvic belt inside the pants, you can enjoy fashion while aiming for pelvic correction. They are thin and use contact-cooling fabric, so they are cool and comfortable even on hot days. They are also water-repellent, so you can wear them with peace of mind on rainy days! These are multi-functional pants that support style improvement around the pelvis and beautiful legs just by wearing them, with excellent elasticity. Retail price: ¥9,980 (tax included)