A nice touch is the blue stitching on the collar for extra detail.
Brooks Brothers T Shirt Men Medium Blue Cotton Logo Classic Preppy Short Sleeve
You will find that a solid T-shirt like this one is a wardrobe workhorse.
Brooks Brothers 1818 Men’s Crewneck Cotton Undershirt Black w/ logo 3pcs/Pack
A nice touch is the solid color, which makes this shirt a true classic.