Thank you very much for viewing. matsukiyo High-Function Seamless Supporter Knee L, 1 piece, 1,078 yen (tax included) This is the item. My family purchased this, but the size didn't fit, so I am selling it. It has been opened and tried on once. [Product Details] This is an all-season joint protection supporter using Outlast, a fiber developed for NASA. Outlast, developed for NASA, is a cutting-edge temperature regulating material that controls the surface temperature of the skin comfortably, whether it's hot or cold. It works to maintain the temperature that humans find most comfortable, whether in the scorching sun or in a severely cold place. Suitable size: 35cm - 52cm It will be shipped via mail service. Also, recycled materials will be used for shipping. Please understand the above before purchasing.