Brand new, unused item. This balaclava-style hoodie features a three-layer, stretchable, heat-generating material. This balaclava-style hoodie utilizes a three-layer, stretchable, heat-generating material. The surface uses heat-generating acrylic and rayon, the middle layer employs stretchable polyurethane, and the inner layer, which touches the skin, uses cotton for moisture absorption, resulting in a high-performance and comfortable garment. Features like raglan sleeves and a brand logo placed on the back hem, which prevents shirts from slipping out when tucked in, demonstrate a focus on functionality down to the details.