Details: Upper: 75% calfskin leather and 25% textil Inner lining: 75% textile and 25% pig skin Sole: 100% synthetic Removable insole Type of close: Laces Heel height/Sole 3.5 cm (1.38”) Extra Comfort Light: Extra-light sole that reduces weight and facilitates propulsion while walking. Memory Foam: Removable insole with maximum comfort in the arch and heel, thanks to its extra-cushioned technology. Coolmax: Polyester fiber that enhances breathability.