A nice feature is the flat seam construction, which men find more comfortable.
Sport-Tek Tall PosiCharge Competitor Tee
What stands out about this shirt is its unisex adult fit, which doesn’t cling.
Mafoose Men’s Short Sleeve Performance Tall PosiCharge Competitor Tee TST350
You will notice the fabric is a bit textured, appealing to men who like that feel.
Mark Martin 5x Iroc Champion T-Shirt Made in the USA Size S to 5XL
You will see that it’s unbranded, leaving room for your own accessories.
“USMC” Athletic Marines S/S T-Shirt in Military Green – Adult Small to 5X
You will find that the sizing runs consistent, helpful for men ordering online.