Maybe you've been a victim of the Costanza Dilemma: Your classic billfold is overstuffed, but when you do a little spring cleaning, the leather's so stretched that your license just slides right out.

It doesn’t matter if you’re carrying a small crossbody bag or an oversize tote—you always want to have one of the best designer wallets stowed inside your everyday bag. “You do need a place for all of ...