This is a waist supporter for martial arts. It strongly corrects the pelvis, improving posture and making it easier to concentrate power in the tanden (lower abdomen). "Correcting Posture" kitora pursues "beautiful posture." We design the ideal body based on ergonomic principles. "Beautiful posture" greatly influences both physical and mental health. We create our products with the desire for you to easily experience your ideal body simply by wearing them. New design: "Invisible Correction Power." We overturn the visual-first approach of flashy designs that look effective, pursuing "practicality as underwear" with a simple and easy-to-wear design. We believe that first-time users will experience a surprising effect, thinking "What is this?". This is innovative underwear that combines corrective power and breathability with strategically placed strong taping functions. Size L, waist circumference approximately 84-94cm