Vitalsox uses new technology not found on other socks. The proprioceptors are very specialized sensory organs; they give our brain information about our body when we are still, at rest or in motion. Even when a movement has already started, the proprioception signals allow the movement to adjust and improve performance. When we run, proprioception is continuously activated in our body and allows us to perform. Our proprioceptors help tell our brain when it's time for our ankles to react to absorb the impact of the ground or slow down to avoid a strain