Caterpillar Women's Lander Steel Toe Boot 100% Leather Rubber sole Shaft measures approximately 5 1/2" from arch Boot opening measures approximately 9" around ASTM F2413-05 1/75 C/75 Steel Toe ASTM F2413-05 1/75 EH Electrical Hazard Slip Resistant Full Grain Leather Uppers Iconic Caterpillar Yellow & Black Outsole