Christian Louboutin Black Patent So Kate Pumps Size 37.5 $599.00 37.5 / Black - $599.00 Quantity This product is currently sold out. Christian Louboutin Black Patent So Kate Pumps Size: 37.5 (fits US 7) Retail: $875 Condition: Brand new. 10/10. Includes: Louboutin Box (not original). Details: Heel measures 4.5”.