Sandal

FIG. 1 is front perspective view of a sandal showing our new design; FIG. 2 is a front view of the design shown in FIG. 1 ; FIG. 3 is a rear view of the design shown in FIG. 1 ; FIG. 4 is a right side view of the design shown in FIG. 1 ; FIG. 5 is a left side view of the design shown in FIG. 1 ; FIG. 6 is a top view of the design shown in FIG. 1 ; and, FIG. 7 is a bottom view of the design shown in FIG. 1 . The broken lines shown in the figures depict portions of the sandal and form no part of the claimed design. The material shading of the figures represents a knitted textile and forms part of the claimed design.