What stands out is the crew neck, which is cut wide enough for easy breathing.
Augusta Sportswear 360 Mens V-Neck Baseball Jersey Tee Striped Sleeves T-Shirt
These shirts have a striped pattern that adds movement to your look.
GM General Motors Small Logo Black/White/Grey/Navy/Red/Light Blue T-Shirt S-5XL
You will find that the black color resists yellowing under the arms.
Vintage Brewers Baseball American US Flag for Men Women Kids T-Shirt
What I notice is the crew neck, which has a slight stretch for easy movement.
US Marines Yellow Footprints Graphic, 2 Sides Black T-Shirt
You will find the crew neck sits at a natural height, not too high or low.