Sock

FIG. 1 is a front perspective view of a sock showing our new design;

FIG. 2 is a side view thereof;

FIG. 3 is an opposite side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a rear perspective view thereof.

The broken line immediately adjacent to the bottom of the shaded area defines the bounds of the claimed design and forms no part thereof. The broken lines within the shaded area represent features which form no part of the claimed design. The broken lines depicting the remainder of the sock form no part of the claimed design.