The collection includes icons and shades inspired by Disney Pixar’s Toy Story series.

First things first: There’s nothing wrong with not wearing shapewear, which has a reputation for being uncomfortable — the phrase “sausage casing” came up often in interviews for this guide.

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 ...