I found a huge lot 1970s-80s-90s deadstock unworn transfer shirts from a man who sold them at shows back in the day. The shirts and art are true vintage. The art is all licensed. Shirts have been in storage for decades so despite being new may have minor aging blemishes.

Label: Oneita, L

Detailed measurements:

Chest - 46 inches (23" Across Armpits)
Length: 29.5"

This item is sold from an excellent, highly rated vintage boutique in Portland, Oregon.