AXF (アクセフ) sports necklace, loved by top athletes such as professional baseball player Hayato Sakamoto and badminton player Kento Momota! This high-performance gear is treated with patented IFMC. (Ifmic) processing, which is expected to promote blood circulation, stabilize the core, improve balance, and enhance recovery. It is ideal for supporting performance during sports. It is a multifunctional item that can be used not only as a necklace but also as a headband, sweatband, or wristband. It is made of a rubber-like material and is free size. It is lightweight and comfortable to wear. 【Color】 Yellow 【Size】 Total length (around): Approximately 51cm 【Material】 Knitted part: 60% nylon, 40% natural rubber Patch: Synthetic leather 【Condition】 New, unused I am selling this because I no longer have the opportunity to use it. *Please refrain from purchasing if you are concerned about minor details due to home storage. *The photos are everything, so please check them before purchasing. *Shipped without a box. If you wish to have the box, it will be an additional 500 yen. Please feel free to comment if you have any questions!