FIG. 1 is a left side perspective view of a denim boot upper with side pocket and button fly;

FIG. 2 is a right side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a perspective view with the button fly exposed.

The broken line showing of a shoe sole and heel in FIG. 1-5 is for illustrative purposes only and forms no part of the claimed design. The other broken lines on claimed design represent top stitching.