MIKYAKU+ (Mikyaku) Koushi (Far-Infrared Ray) Compression Socks 260 denier (1 pair) Size: S～M (22～24cm) Color: Black Retail Price: 4500 yen Promotes drainage just by wearing them, thanks to far-infrared fiber and graduated compression design. Thoroughly eliminates coldness & swelling with concentrated compression on the feet! Slimmer legs below the knee, and legs that stay slim. The far-infrared fiber, made by kneading it in from the yarn, absorbs body temperature, converts it into far-infrared rays, and sends it back to the body, constantly maintaining a state of good metabolism. Purchased at an esthetic salon. The first and second photos are of the packaging at the time of purchase. Not included. Used regularly indoors. There is a small hole near the heel made during pilling removal. There are also other signs of wear and tear. Color: Black系 (Black-based) Sock Length: Mid-calf to knee-high Stains, tears, odors, etc.: Yes