Adjustable black mesh lumbar support belt, size S. I purchased the sports type and used it only once. I wore it over my clothes, so I didn't sweat much and it's very clean!! Purchased on Rakuten for about 4300 yen. - Color: Black - Material: Mesh and elastic material - Design: Adjustable belt - Size: S, but I think it can also be used by those who usually wear M Thank you for looking.