Olgahexa Knee Supporter Olgahexa uses the natural power of 100% charcoal to retain body heat and warm you from the core. 【Thermal Effect】Promotes blood circulation, recovers from fatigue, relieves muscle fatigue, and loosens stiffness. Wear it with the Olgahexa-woven side against your knee. Care for your knees throughout the day and night. ☆ Used once. I hope to pass it on to someone who is looking for it. It will be shipped folded, so please understand that there may be creases. Please refrain from purchasing if you are nervous or seeking perfection, as it is stored at home. Thank you for looking.