Timberland Women's Wheelwright Tall Medium Shaft WP Engineer Boot 100% Leather Imported Rubber sole Shaft measures approximately 15.5" from arch Heel measures approximately 1.25" Platform measures approximately 0.75 inches Boot opening measures approximately 14.25" around Timber dry eco-conscious waterproof membrane is made from 50 percentage recycled pet Inside zipper for easy entry ; Unique L7 lug design is built for superior traction 50 percentage recycled pet lining is comfortable, breathable and environmentally conscious Anti-fatigue removable foot bed provides all-day comfort and support. Calf circumference is 15.75 inches. Shaft height is 15 inches Timberland exclusive grip stick outsole is made with our stickiest recycled rubber, 34 percentage to be exact