The ornamental design for a dual seam reversible slingshirt, as shown and described.
FIG. 1 is a front, left perspective view of a dual seam reversible sling shirt, wherein the dual seam reversible sling shirt is worn by an individual with an injured arm showing my new design;
FIG. 2 is a front, right perspective view of the dual seam reversible sling shirt of FIG. 1;
FIG. 3 is a front, left perspective view of the dual seam reversible sling shirt in use;
FIG. 4 is a front view of the dual seam reversible sling shirt of FIG. 1;
FIG. 5 is a rear view of the dual seam reversible sling shirt of FIG. 4;
FIG. 6 is a right side view of the dual seam reversible sling shirt of FIG. 4;
FIG. 7 is a left side view of the dual seam reversible sling shirt of FIG. 4;
FIG. 8 is a top view of the dual seam reversible sling shirt of FIG. 4; and,
FIG. 9 is an exploded view of the dual seam reversible sling shirt of FIG. 4, showing the components of the dual seam reversible sling shirt and the re-closable seams and fasteners along each side of the dual seam reversible sling shirt and each bottom portion of the sleeves.
The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design. Stitching of the reversible sling shirt is shown by dotted lines and is not part of the claimed design. Thatch marks are used only to indicate fabric and contour and are not part of the claimed design.