It’s just not acceptable. And, before you start with your excuses, just button it. Being well-versed in the subtle — but important — variations in shirt collars is a surefire way to up your outfit ...

Everyone should own a couple of grandad collar shirts. But, if you level up this casual classic with a Nehru collar, you’ll have the perfect go-to smart-casual garment. Slip it on before you sidle ...