Ridge Footwear Men's Dura-Max Mid Zipper Work Boot 100% Leather and fabric Imported Rubber sole Shaft measures approximately 5.25" from arch Heel measures approximately 1.5" Platform measures approximately 0.75" Composite stability shank Moisture-wicking lining Removable insole PU midsole Slip resistant, oil-resistant tread Dura-sole one-piece carbon rubber outsole This durable, heavy-duty work boot is designed to lace up once, then zip on fast when seconds count and it's time to roll.