Size S: 21cm - 23.5cm Color: Black Product Description: Developed by a chiropractor. Clinical trials conducted by a third-party testing organization. As a result, five effects were demonstrated: thermogenic properties, antioxidant effects, increased calorie consumption, increased alpha waves, and stress reduction. Simply attach the skin-friendly silicone rubber band to your ankles. With moderate elasticity, it forms an arch with 2-point support + 1-point support, supporting various physical concerns. Recommended for those with stiff shoulders, lower back pain, knee pain, improved sports performance, and concerns about a hunched posture. Development Story: It is said that about 70% of Japanese people have flat feet, and the idea of how to approach flat feet was the beginning of the development of the Ankle Band. Just by wearing it on both feet, the center of gravity stabilizes front, back, left, and right, supporting beautiful posture - that's the Ankle Band. Effects: Posture support, stiff shoulders, lower back pain, knee pain, leg swelling, body shape deterioration, hernia, tenosynovitis, urinary incontinence, floating toes, hunched posture, sports injuries, improved sports performance. Clinical Trials Conducted: Clinical trials were conducted by a third-party organization. As a result, it has been recognized that it has effects on thermogenic properties, antioxidant effects, increased calorie consumption, increased alpha waves, and stress reduction. Instant purchase welcome.