Moisturizing & Moisturizing. A supporter that fits perfectly without feeling tight. There is no rubber opening, so there is no feeling of tightness. Nobi construction. The next generation of acrylic and wool collaboration: By blending wool and special acrylic fibers with a special technology "Cotlan W processing", it demonstrates superior moisture absorption and heat generating properties unlike before. Excellent moisture absorption and heat generation. Excellent heat retention and anti-pill properties. (Size) Shin Circumference: 11.0 - 18.1 inches (28 - 46 cm); Material Display: Silk, acrylic, nylon, polyester, wool, polyurethane; Precautions for Use: Please be careful when touching or scratching objects with protruding objects. If you feel uncomfortable during use or experience any abnormalities on your skin, stop using and consult a physician.