I really like Amazon’s Daily + Ritual Brand. They seem to make a similar shirt:
Daily Ritual Women's Supersoft Terry Short-Sleeve Shirt with Shirttail Hem, S, Black https://www.amazon.com/dp/B075X8BWQT/ref=cm_sw_r_cp_api_kzgRBbWMGX13N
I have a dress in the terry fabric and it’s super soft,