Healthpoint Running Belly Band Slim Type Black https://www.amazon.co.jp/dp/B07HPDGWDP?ref=ppx_yo2ov_dt_b_fed_asin_title Developed by runners, this "running belly band" offers an outstanding fit that won't slip, even during a full marathon. The "slim type" has newly arrived for this popular cold-weather gear, which has been gaining popularity year after year through word-of-mouth! It's thinner and about 30% lighter, making it easier to move and providing a completely unnoticeable feel. Of course, it still provides the ultimate warmth to protect you from the cold and sweat-induced chills! The material is made by sandwiching chloroprene sponge rubber, used in wetsuits, between stretchy fabric layers, creating a 3-layer structure, and then applying a special process to create high elasticity. The "running belly band" is a great ally for improving your performance in cold winter runs. It protects your body from the cold and chills without hindering your running movements! And the feeling of wearing it is so light, soft, and fits so well that you'll forget you're even wearing it. Highly recommended for those who are concerned about cold stomachs or the worsening of chills due to sweat-induced coldness during winter running. It's also helpful during the long wait before the start of a race! It's a carefully hand-stitched, domestically-made product by skilled craftsmen. It's also durable and can be used for a long time without losing quality. Since it's made of wetsuit material, it's safe to use in the mountains and at the sea. It can be used for sports and outdoor activities in general.