Sleep sack

Description

FIG. 1 is a front perspective view of our new design for a sleep sack.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a rear elevation view thereof.

FIG. 4 is a right elevation view thereof.

FIG. 5 is a left elevation view thereof.

FIG. 6 is a bottom perspective view thereof.

FIG. 7 is a top plan view thereof.

FIG. 8 is a front perspective view thereof, wherein a front panel of the sleep sack is open to provide a partial view of the inside of the front panel; and,

FIG. 9 is a cross-sectional view of the sleep sack taken along the direction indicated in FIG. 2.

The short-dashed broken lines shown in the figures depict portions of the sleep sack that form no part of the claimed design. The long-dashed broken lines in FIG. 8 indicate potential locations for stitching and form no part of the claimed design. The dash-dot-dash broken lines in FIG. 2 indicate the location of the cross-sectional view, and form no part of the claimed design.

The lightweight oblique lines in FIG. 9 depict interior surfaces which form no part of the claimed design.

Claims

The ornamental design for a sleep sack as shown and described.