This product was recommended at a chiropractic clinic as an insole for improving form. ◾️Details Formthotics, a corrective insole from New Zealand, a leading country in podiatry, also used in medical applications. Hybrid material with excellent shock absorption and cushioning. Ultra-lightweight, only 19g ◾️Size: XS ◾️Retail Price 16,500 yen at the time of purchase Used as the insole for indoor ballet shoes, and outgrown in 2-3 months, so the usage period was short. However, the printing has faded considerably, so it is being offered at a lower price. Please understand that this is a used item before purchasing. No bag Knee pain, back pain, insole, walking