This is three-dimensional body adjustment wear that guides you to your ideal zero position. Maximize your original power! Graduated compression improves all basic movements by adjusting the balance of the core, which is the body's axis. STB is high-performance underwear developed for all athletes from the perspective of core (torso) balance. This is a beautiful, good-quality item that has only been worn once. It has been stored at home, so there may be some unnoticed minor scratches or stains. Please refrain from purchasing if you are concerned about these details. Only the product will be delivered. (The original bag from the purchase is not included) This item is offered at a reduced price due to it being a used item. We appreciate your understanding. 　(☝︎ ՞ਊ ՞)☝︎ Price reduced again! Shipped via Mercari anonymous delivery. *To prevent trouble and swapping, returns are strictly refused, including those due to color differences. We do not accept returns or refunds under any circumstances. Please understand this beforehand. The price includes shipping. We will carefully package and ship it promptly. Thank you very much!^_^ Management Number: 0923-1300 #YONEX #ShortSleeveShirt #Top #HighFunction #Posture #Basketball #Baseball #Stretch #Underwear #Badminton #Tennis #Running #Athlete #Soccer #TrainingWear #Black #YONEX #Black #AnonymousDelivery #Walking #STB #PRO #M #ProModel #HighPerformance #Scapula #Balance