Ralph Lauren Purple Label Black Slingback Heels. Dark Black Calfskin with Corded Trim and Stacked Heel. Beautiful Side Lines. Pointed toe. These shoes have a lot of life left! Estimated Heel Measurement: 4". Designer Fit: This designer typically runs true to size. Condition: Good. Moderate creasing at toe box, vamp. Minor scuffs at counter. Loose elastic at ankle strap. Sole: Good. Professionally refinished sole.