Stretchy gusseted non-slip: The foot area is designed with elasticity in the mouth. Wearing tight to the surface of the foot to prevent sliding back and forth.Anti-slip particles: Socks body dotted rubber particles set, non-slip massage stickers do not have a sense of touch, effective massage the bottom of the foot to relieve pressure.Five-toe split-toe design: Allow each toe to move freely, reducing the extrusion and friction of the toes. Promote blood circulation.