Outdoor Rattan Chair

FIG. 1 is a front perspective view of an outdoor rattan chair, showing my new ornamental design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines shown in the drawings illustrate portions of the article that form no part of the claimed design.