The ornamental design for a fully upholsteredadjustablechaiselounger in lay flat position with elevated chaise, as shown and described.
FIG. 1 is a perspective view of a fully upholstered adjustable chaise lounger in lay flat position with elevated chaise showing front, top, and left sides;
FIG. 2 is a top view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a rear view thereof; and,
FIG. 6 is a left side view thereof.
The broken lines shown in the drawing are for the purpose of illustrating environmental structure and form no part of the claimed design.