New in box Alfani Womens Tristanne Leather Tall Knee-High Boots Black Solid Zip Up Leather Casual Knee High Size 11M: Heel 3.5”, Heel to Calf 16”, Circumference 17” Size 10M: Heel 3.5”, Heel to Calf 16”, Circumference 16.5” Size 5.5M: Heel 3”, Shaft 15”, Circumference 15” Size 5M: Heel 3”, Shaft 14.5”, Circumference 14”