Create a design for a t-shirt featuring a slightly lighter shade of gray fabric with a relaxed fit. The neckline should have a subtle V-shape instead of a round neckline. Add a thin vertical stripe down the sides in a contrasting color to enhance visual interest. Ensure the t-shirt has a smooth texture and removes any visible brand labels or logos. The background should transition to a soft gradient instead of a solid color. Display the t-shirt from both the front and back views.