Tactility refers to the ability to get a sensation through the sense of touch. When it comes to sculpture, tactility refers to the degree to which the surface of a particular sculpture seems to have a particular feel.
Although the sculpture is not shown here, you can use this information to try to describe the tactility of the sculpture. For example, is the face and hair of the sculpture smooth? Or, is the hair rough? These details will allow you to describe the sculpture in a more effective way.