Brand: YONEX Color: Gray Size: M (157-163cm) ＜HEAT CAPSULE＞ Warmth through infrared charging. This charging system converts sunlight and infrared rays emitted by the human body into heat, trapping the heat within the fibers. Compared to conventional cold-weather materials, this results in a surface temperature difference of approximately 3-7°C. There are no noticeable scratches or stains, and it's a clean item with little sign of use. However, there are individual differences in perception, so please refrain from purchasing if you are concerned about minor details. Thank you for viewing! m(_ _)m