You will find that the L size allows for easy movement in the shoulders.
Nike Men’s Air Jordan Jumpman Tee Black CJ0921-100 i
This Nike shirt has a modern fit that suits most body types.
Nike Air Men’s Sportswear Club Swoosh T-shirt | IH1157-229 | IO9514-072
This tee is solid all over, so you can wear it without worrying about fading patterns.
NEW Next Level 100% Cotton Men’s Premium Fitted Crew Neck XS-XL T-Shirt R-3600
A nice touch with S is the tapered waist that flatters smaller frames.