T-shirts come in a variety of necklines, and the most popular by far was the classic crewneck. We also included other picks, like V-necks and scoop necks, in case that’s more up your alley.

Like its counterpart the short-sleeved tee, the long-sleeved tee is a must-have basic. But as with all T-shirts — black, white, or otherwise — the Perfect One often proves elusive. And even ...