There may have been multiple cloths, including the shroud, but the others could have been lost or deteriorated. The bottom line is the weight of the scientific evidence contained in the Shroud of Turin points very strongly to authenticity regardless of whether or not He was covered in other cloths in addition to the Shroud.
How does the science say an image of the face got onto the same multiple cloths wrapping the body when the face was wrapped separately from the cloths wrapping the body?