Lotan's signature aesthetic—extra-wide-legged jeans with a thin blouse slashed to the naval—is universally recognized as "cool" to women (and men!).   This season it's about: The New York-based Israeli designer is the latest to take on Western: in her hands, fringing and denim exude an urban swag a la *Midnight Cowboy*. Any Lotan woman worth her salt should own the cropped Rosa trench—it's been newly reimagined in butter-soft black leather.