I have a new shoe obsession: the Derek Lam Odesa sandal. And I'm not the only one — this Fab reader was just raving about them and how they are on sale. They are the perfect Summer lace-up sandal. They're sexy, but the cork heel brings them back down to earth. The nautical rope is fun — nautical naughty. And the slight platform is comfort-inducing. Leighton Meester wore them, sporty style, with olive green cargos and a wispy button-down. But really, they go with anything . . .