There’s something about the inevitable cocktail party — the evening of the regional conference, a best friend’s housewarming, or celebrating the opening of, well, just about anything short of a rehab clinic — that demands not only a handy list of witty stories and pop culture references, but also a clean, sophisticated outfit that accentuates the formality without losing the fun. You’ll want to wear something that befits balancing precocious stemware with business cards and passed hors-d’oeuvres. It’s that one moment where you want to be more Cary Grant than Hugh Hefner. More Johnny Cash than Elvis Presley. For more, go to The Manual, here.