Thank you for viewing this product. This is a brand new, unused item! ^_^ To offer it at a lower price, I will ship it without the outer box. Please check the images for the logo, etc. ^_^ This is an XS size knee support for the left knee. 《Features of RK-1》 Loved by top athletes competing on the world stage. Gaining trust from athletes with reliable technology, supporting athletes competing on the world stage. Misaki Matsutomo (Badminton) Tatsuma Ito (Tennis) Tomohiro Yamamoto (Volleyball) and others W LEAGUE sponsorship (Basketball) Certified equipment by the Japan Volleyball Association 《Features of ZAMST RK-1》 Reduces the burden on the outside of the knee during running. Suppresses wobbling during landing and guides you to the correct movement. a Reduces digging into the back of the knee, is less likely to slip, and does not hinder movement, providing a comfortable fit. a Please choose the size that suits you. Measure the circumference 5cm below the center of your kneecap while standing normally (if the measurement falls between sizes, choose the larger size). [Knee Circumference] S: 28~31cm M: 31~34cm L: 34~37cm LL: 37~40cm I will do my best to accommodate price negotiations! Feel free to consult in the comments! It is stored at home, but it is stored carefully, so please rest assured. Also, please understand that this is a personal sale. I will ship it promptly after confirming payment. If there is a delay in shipping, I will send you a message to that effect. Thank you. #YasuTaro