Kodiak Women's Alcona Motorcycle Boot Leather Imported Rubber sole Shaft measures approximately 9" from arch Boot opening measures approximately 12" around Waterproof leather and sealed seams Waterproof membrane construction Removable leather memory foam insole Inside zipper closure. Footwear Height: 10.75 inches Slip resistant chevron rubber outsole Microfibre lined with removable leather memory foam insole for all day comfort