The ornamental design for an clothing for protection against x-rays, as shown and described.
FIG. 1 is a perspective view of clothing for protection against X-rays showing my new design on a model patient;
FIG. 2 is a perspective view thereof;
FIG. 3 is a right side view thereof;
FIG. 4 is a rear perspective view thereof;
FIG. 5 is a front view thereof in a flat condition;
FIG. 6 is a rear view thereof;
FIG. 7 is another rear view thereof, where the lower part is in an open condition;
FIG. 8 is another rear view with a flap in a partially open condition; and,
FIG. 9 is another front view thereof with the lower part in an open condition view thereof.
The broken lines showing environment or structure of the clothing for protection against X-rays are for illustrative purposes only and form no part of the claimed design.