This is a Smarty sauna jacket. The original HEAT coating α material excels in airtightness, durability, and wind resistance (^^). This high-performance wear creates a sauna-like environment to promote heavy sweating (^^). It also features water repellency and antibacterial/odor-control functions (^^). Furthermore, it minimizes the characteristic rustling sound of sauna suits and is easy to move in thanks to the stretch material (^^). It has a wide range of motion and is sportswear suitable for hard exercise (^^). There are no particularly noticeable scratches or stains. Marked size: M