Heartthrob Daniel Craig, aka 007, looks doubly dashing in a tuxedo, on screen in “Skyfall” or off. As menswear fashion heads toward more fitted, formal attire for New Year’s Eve and inaugural festivities, now’s the time to add black tie to your closet. Jack O’Connor, men’s style director at J. Crew, offers a couple of pointers: The jacket should hug the shoulder with a high, close-fitting armhole. Matching slim pants should break slightly above the shoe. “It’s impossible to get this from a rental,” O’Connor says. Here, suggestions for going formal.