What stands out is the simple design, which men often prefer over busy prints.
Rothco Mens Solid Color Athletic Fit Military-Type T-Shirt (Small-2XL)
A nice touch on the 2XL is the subtle side vents for extra airflow.
Rothco Mens Athletic Fit Solid Color MilitaryType T-Shirts Tee
What I like is the way it hangs on men, no weird bunching around the waist.
Men S-5XL T-Shirt HEAVY Weight V-NECK Camo Plain Solid Cotton Big Size Tee
A nice touch is the way the V-neck is reinforced so it doesn’t lose its shape.
Victorious Men’s Hipster Solid Color Long Length Curved Hem T-Shirt TS270-K21A
A nice detail is the tagless collar, which men often prefer for comfort.