Width: 54 Weight: 110G/Yard 1. Made from the polyester and mixed with nano-powders. 2. The function of Nano Red, it can absorb the energy from the light and the body, then release 4-14um Far-IR to improve the blood circulation and expand capillaries. 3. That is why Nano Red can keep the body warm and enhance the biological functions of human body. Application: Sportswear Aerobatic sportswear Hats Gloves Socks Features: Heat Accumulation & Warm Preserving Promotion for Blood Circulation Excellent Endurance Handy Treatment Requirement