A nice feature is the slightly looser fit through the body for men.
Ford Mustang T-Shirt – Red w/ Running Pony Since 1964 & Multiple Logos On Back
You will find that the shirt is sized S through 3XL, no hassle.
Rush Fly By Night Rock Band Men’s Tank Tops (Multiple Colors)
You will see the regular fit creates a smooth line from shoulders to waist.
In My MS Warrior Era Multiple Sclerosis Awareness Unisex T-Shirt
You will find that the black shade doesn’t show sweat marks as much.
Nirvana Smile Rock Band Black Tank Top Men’s Sizes
The regular fit here is about giving you a shirt that feels like it belongs to you.