Unconstrained Design -- Suitable for diabetics, arthritis, edema or people with circulation issues. Innovative Fiber -- Using charcoal and special ore fiber to make the physical activity get more energy. Moisture-wicking keeps your feet comfortable and healthy. Extremely Breathable -- Using 3D weaving technology with special fibers create the most comfortable and breathable socks. It dissipating the heat faster than others. Enhance Performance -- Seamless sock top weaving allows better breathing and assists with circulation and heat regulating.