When side-tucking a button-down or flannel shirt, rather than doing up the buttons and tucking in one side, López advises that you simply tuck in one side of the shirt, leaving the other side hanging ...

Everyone knows that a shirt half-tucked into a pair of blue jeans or a sleek skirt looks effortlessly cool, but only folks who've attempted a half-tuck realize just how hard it is to pull off.

A French tuck, where only the front shirt hems are tucked in, gives a clean silhouette, elongates the legs, and adds waist definition. A side-tuck, where only one of the front shirt hems is tucked in, ...