I claim the ornamental design for a light weight hair piece, as shown and described.
FIG. 1 is a right side view of a light weight hair piece showing my new
design;
FIG. 2 is a right side view of a second embodiment of my design, wherein
the modification resides in the black color of the band. The color, which
is indicated by partial cross hatching for ease of illustration, is
understood to extend throughout the entire surface of the band; and,