US D399997 S
FIG. 1 is a bottom plan view of the cross-country ski boot sole according to applicant's design;
FIG. 2 is a view taken from the left of FIG. 3;
FIG. 3 is a top plan view thereof;
FIG. 4 is a side view taken from the right of FIG. 3;
FIG. 5 is a front elevation thereof; and,
FIG. 6 is rear elevation thereof.