Timberland Women's Welfleet 6-Inch Boot 100% Rubber Synthetic sole Shaft measures approximately 7.5" from arch Heel measures approximately 1" Platform measures approximately 0.5 inches Boot opening measures approximately 13.5" around Lace-up boot featuring adjustable circumference with metal hardware Seam-sealed construction Removable smartwool fabric-lined footbed Rubber lug sole for traction