DAIYA bonbone Thin Knee Back Cross XG Free Size Black, Daiya Industry Retail Price: 4730 yen From the official page: * By changing the pulling force of the support belt, it can address various knee problems. * The moderately elastic cross belt supports the stability of the knee joint. * The pad built into the back of the knee prevents localized pressure from the belt and assists in limiting flexion. * The main body uses a thin, non-slip material that is resistant to slipping and has good breathability. ■ Recommended for: * Those who feel discomfort when bending their knees. * Those who are concerned about knee instability. * Those who are troubled by knee varus/valgus issues. ■ Applicable Range: [10cm above the knee circumference] M-L (Free): 35-50cm [Total Length] M-L (Free): 48cm [Length] 21cm I bought this after being recommended by a friend who is a chiropractor, but I don't need it, so I'm selling it. I am open to price negotiations. If you are considering purchasing, please feel free to comment. #DaiyaIndustry #DAIYAbonboneThinKneeBackCrossXGFreeBlack