Iron Age Men's Trencher IA5002 Work Boot 100% Leather Imported Synthetic sole Shaft measures approximately 5" from arch Heel measures approximately 1.5" Platform measures approximately 1" ASTM F2413 Safety Standard Compliant Electrical Hazard Protection Insole: Removable EVA Cushion Insert with Sponge Rubber Heel Wedge 100% Non-Metallic Airport Friendly