This T-Shirt fits well without being too snug or too loose in the chest.
American Rag T-Shirt Mens Large Floral Palm Short-Sleeve Crew-Neck Cotton Blend
A nice touch with short sleeves is the way they complement a straight-cut torso.
American Rag Mens Tri blend T shirt Color Black SIze XL
With a solid pattern, you get a shirt that works for any occasion.