Knee 1 Piece IFMC. Support, Non-Constricting Support, Unisex, (L, Black)

[Material] 35% cotton, 35% acrylic, 10% polyester, 10% nylon, 10% polyurethane [Size] Thigh circumference (10cm above the knee joint) M: 25-40cm L: 30-45cm LL: 40-55cm IFMC. (Integrated Functional Mineral Crystals) is a very tiny mineral crystal at the nanometer level that was manufactured by Teikoku Pharmaceutical Co., Ltd. with a focus on hot spring therapy. It is a substance extracted by combining several types of minerals and immersing them in hot spring water with a high iron content for a certain period of time, and then subjecting the eluate to special processing.