Sock

FIG. 1 is a front perspective view of a sock showing the new design in a state of use as it may appear worn;

FIG. 2 is a back perspective view thereof;

FIG. 3 is a right perspective view thereof;

FIG. 4 is a left perspective view thereof;

FIG. 5 is a bottom perspective thereof;

FIG. 6 is a top perspective thereof;

FIG. 7 is a rear elevation view of the sock laid flat; and,

FIG. 8 is a front elevation view thereof.

The broken line outlines in FIGS. 1 and 6 and areas contained within the broken lines depicts environment and assist in illustrating how the sock may appear in a state of use, and form no part of the claimed design.