CALDEN Men's Invisible Height Increasing Elevator Shoes - Black Leather Lace-up Lightweight Formal Oxfords - K5655-3.2 Inches Taller Rubber sole Weight: 16 oz. *Based on 7.5 US. Actual weight varies* Heel height: 1 1/2". Shaft height: 5 3/8". Light weight construction. Dress Formal height increasing footwear. Full grain high quality leather upper.