Stuart Weitzman SLINGBACK Women STUART RUCHE SLINGBACK COLD FOAM. The STUART RUCHE SLINGBACK PUMP 50 delivers our take on a style classic: Crafted in Spain, it is defined by a wide-cut slingback strap with elasticized ruching — a detail that nods to our stretch brand code. A sleek heel gives it a 50-mm lift. Heel Height: 50 mm. . . DRESS NAPPA.