Sock

FIG. 1 is a back view of a first embodiment of a sock according to the present invention. FIG. 2 is a perspective view of the sock of FIG. 1 . FIG. 3 is a first side view of the sock of FIG. 1 . FIG. 4 is a second side view of the sock of FIG. 1 . FIG. 5 is a front view of the sock of FIG. 1 . Top and bottom views of the sock of FIG. 1 are not presented as no claimed features are visible in these views. FIG. 6 is a back view of a second embodiment of a sock according to the present invention. FIG. 7 is a perspective view of the sock of FIG. 6 . FIG. 8 is a first side view of the sock of FIG. 6 ; and, FIG. 9 is a second side view of the sock of FIG. 6 . Top and bottom views of the sock of FIG. 6 are not presented as no claimed features are visible in these views. The broken lines depict portions of a sock and form no part of the claim.