The Calvin Klein Ellisa pumps showcase a sleek square toe and a pin buckle slingback closure for a contemporary touch. Square toe Pin buckle with slingback closure Synthetic upper Lining: Synthetic Padded insole Synthetic sole Imported SIZE Block heel height: about 3" (75mm). Center Core - W Core Shoes > Saks Off 5th. Calvin Klein. Color: Black. Size: 8.5.