There’s something so chic about a simple white T-shirt. It looks crisp and pulled together while still oozing nonchalance, no matter how much thought you’ve put into your outfit. The best white T-shirts can add a laid-back twist to tailoring, dress down evening attire and make seasonal pieces go the extra mile. But, you have to get the fit just right (and once you’ve found it, stick with it). From boxy cropped styles to slimline layering heroes, here are a few key shapes you should keep on rotation – and a few that will liven up your basics collection, too.