CALDEN Men's Invisible Height Increasing Elevator Shoes - Black Leather Slip-on Lightweight Loafers - K5652-3.2 Inches Taller Rubber sole Traditional classic apron Oxford. Hidden elastic gore. Slip-On extreme convenient lace-less design. Weight: 15 oz. *Based on 7.5 US. Actual weight varies* Heel height: 1 3/8". Shaft height: 5". Light weight construction. Dress Formal height increasing footwear.