Jerome Dreyfuss Fan Fan Pump in Black. - size 39 (also in 36,38) Jerome Dreyfuss Fan Fan Pump in Black. - size 39 (also in 36,38) Croc embossed patent leather upper with leather sole. Slip-on styling. Heel measures approx 2 H. Made in Portugal. JERR-WZ12. 34FANCRON. Entering the world of design in 1995, Jerome Dreyfuss began his career working for John Galliano and after a stint designing his own apparel collection, dabbled in the art of handbags. The eponymous label lead to a collection of playfully beautiful and practical carryalls crafted from high quality materials and coveted colors. Dreyfuss birthed his all male-named pieces in 2002 with classics like the Bobi, inspiring both functional and trendy messengers, totes, and shoulder bags to follow.